diff --git a/src/mesh/GmshReader.cpp b/src/mesh/GmshReader.cpp
index 0ff14c610c5bae3e9fc71507c54026ddafb42bc7..20f9a789659c61f7bbff3983eae7661b6b30a797 100644
--- a/src/mesh/GmshReader.cpp
+++ b/src/mesh/GmshReader.cpp
@@ -39,7 +39,8 @@ GmshConnectivityBuilder<1>::GmshConnectivityBuilder(const GmshReader::GmshData&
   Array<int> cell_number_vector(nb_cells);
 
   Array<unsigned int> cell_to_node_row(nb_cells + 1);
-  parallel_for(cell_to_node_row.size(), PUGS_LAMBDA(const CellId cell_id) { cell_to_node_row[cell_id] = 2 * cell_id; });
+  parallel_for(
+    cell_to_node_row.size(), PUGS_LAMBDA(const CellId cell_id) { cell_to_node_row[cell_id] = 2 * cell_id; });
 
   Array<unsigned int> cell_to_node_list(cell_to_node_row[cell_to_node_row.size() - 1]);
   for (CellId cell_id = 0; cell_id < nb_cells; ++cell_id) {
@@ -1053,7 +1054,8 @@ inline auto remove_embedding_spaces = [](std::string_view line) -> std::string_v
 
 inline constexpr int number_of_gmsh_entities = 93;
 
-inline constexpr auto primitive_number_of_nodes = []() constexpr {
+inline constexpr auto primitive_number_of_nodes = []() constexpr
+{
   std::array<short, number_of_gmsh_entities> number_of_nodes;
   number_of_nodes.fill(-1);
 
@@ -1092,9 +1094,11 @@ inline constexpr auto primitive_number_of_nodes = []() constexpr {
   number_of_nodes[92] = 125;   // 125-node fourth order hexahedron
 
   return number_of_nodes;
-}();
+}
+();
 
-inline constexpr auto entity_name = []() constexpr {
+inline constexpr auto entity_name = []() constexpr
+{
   std::array<std::string_view, number_of_gmsh_entities> name;
   name.fill("unknown");
   name[0]  = "edges";
@@ -1132,9 +1136,11 @@ inline constexpr auto entity_name = []() constexpr {
   name[92] = "125-node fourth order hexahedron";
 
   return name;
-}();
+}
+();
 
-inline constexpr auto supported_entity = []() constexpr {
+inline constexpr auto supported_entity = []() constexpr
+{
   std::array<bool, number_of_gmsh_entities> supported;
   supported.fill(false);
   supported[0]  = true;   // edge
@@ -1147,7 +1153,8 @@ inline constexpr auto supported_entity = []() constexpr {
   supported[14] = true;   // point
 
   return supported;
-}();
+}
+();
 
 inline auto tokenize = [](std::string_view& line, auto& tokens) {
   size_t token_idx = 0;
@@ -1585,7 +1592,7 @@ struct actions<elements_section>
     gmsh_data.entity_number.resize(number_of_elements);
     gmsh_data.entity_type.resize(number_of_elements);
     gmsh_data.entity_reference.resize(number_of_elements);
-    gmsh_data.__elementVertices.resize(number_of_elements);
+    gmsh_data.element_vertices.resize(number_of_elements);
 
     std::vector<std::string_view> tokens;
     tokens.reserve(20);
@@ -1628,9 +1635,9 @@ struct actions<elements_section>
         const size_t first_node_index = 3 + number_of_tags;
         const size_t number_of_nodes  = primitive_number_of_nodes[entity_type];
 
-        gmsh_data.__elementVertices[i_element].resize(number_of_nodes);
+        gmsh_data.element_vertices[i_element].resize(number_of_nodes);
         for (size_t i_node = 0; i_node < number_of_nodes; ++i_node) {
-          gmsh_data.__elementVertices[i_element][i_node] = parse_int(tokens[first_node_index + i_node]);
+          gmsh_data.element_vertices[i_element][i_node] = parse_int(tokens[first_node_index + i_node]);
         }
       }
     }
@@ -1687,7 +1694,7 @@ struct actions<elements_section>
 
     gmsh_data.entity_number.resize(number_of_elements);
     gmsh_data.entity_type.resize(number_of_elements);
-    gmsh_data.__elementVertices.resize(number_of_elements);
+    gmsh_data.element_vertices.resize(number_of_elements);
 
     std::vector<std::string_view> element_tokens;
     element_tokens.reserve(20);
@@ -1718,24 +1725,26 @@ struct actions<elements_section>
 
         parse_int(block_tokens[0]);   // entity dim
         parse_int(block_tokens[1]);   // entity tag
-        const size_t element_type             = parse_int(block_tokens[2]);
+        const size_t element_type             = parse_int(block_tokens[2]) - 1;
         const size_t number_of_block_elements = parse_size_t(block_tokens[3]);
 
         for (size_t i_block_element = 0; i_block_element < number_of_block_elements; ++i_block_element) {
           gmsh_data.entity_type[i_element + i_block_element] = element_type;
         }
 
-        const size_t number_of_nodes = primitive_number_of_nodes[element_type];
+        const size_t element_number_of_nodes = primitive_number_of_nodes[element_type];
+
         for (size_t i_block_element = 0; i_block_element < number_of_block_elements; ++i_block_element) {
-          gmsh_data.__elementVertices[i_element + i_block_element].resize(number_of_nodes);
+          gmsh_data.element_vertices[i_element + i_block_element].resize(element_number_of_nodes);
 
           ++line_number;
           auto element_line = remove_embedding_spaces(get_next_line(body));
+
           tokenize_variable(element_line, element_tokens);
 
           gmsh_data.entity_number[i_element + i_block_element] = parse_int(element_tokens[0]);
-          for (size_t i_node = 0; i_node < number_of_nodes; ++i_node) {
-            gmsh_data.__elementVertices[i_element + i_block_element][i_node] = parse_int(element_tokens[1 + i_node]);
+          for (size_t i_node = 0; i_node < element_number_of_nodes; ++i_node) {
+            gmsh_data.element_vertices[i_element + i_block_element][i_node] = parse_int(element_tokens[1 + i_node]);
           }
         }
 
@@ -1766,6 +1775,8 @@ struct actions<elements_section>
     } else {
       throw UnexpectedError("invalid file format " + std::to_string(gmsh_data.format.version));
     }
+
+    std::cout << rang::fgB::yellow << __FILE__ << ':' << __LINE__ << rang::fg::reset << ": read element: done\n";
   }
 };
 
@@ -2033,13 +2044,13 @@ GmshReader::__proceedData()
 
   // Element structures filling
   for (size_t i = 0; i < m_mesh_data.entity_type.size(); ++i) {
-    std::vector<int>& elementVertices = m_mesh_data.__elementVertices[i];
+    std::vector<int>& element_vertices = m_mesh_data.element_vertices[i];
     switch (m_mesh_data.entity_type[i]) {
     // Supported entities
     case 0: {   // edge
       int& edge_number = element_number[0];
-      const auto a     = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[0]];
-      const auto b     = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[1]];
+      const auto a     = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[0]];
+      const auto b     = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[1]];
 
       m_mesh_data.edge_entity[edge_number]        = GmshData::Edge{a, b};
       m_mesh_data.edge_entity_ref[edge_number]    = m_mesh_data.entity_reference[i];
@@ -2050,9 +2061,9 @@ GmshReader::__proceedData()
     case 1: {   // triangles
       int& triangle_number = element_number[1];
 
-      const auto a = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[0]];
-      const auto b = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[1]];
-      const auto c = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[2]];
+      const auto a = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[0]];
+      const auto b = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[1]];
+      const auto c = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[2]];
 
       m_mesh_data.triangle_entity[triangle_number]        = GmshData::Triangle{a, b, c};
       m_mesh_data.triangle_entity_ref[triangle_number]    = m_mesh_data.entity_reference[i];
@@ -2063,10 +2074,10 @@ GmshReader::__proceedData()
     case 2: {   // quadrangle
       int& quadrilateral_number = element_number[2];
 
-      const auto a = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[0]];
-      const auto b = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[1]];
-      const auto c = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[2]];
-      const auto d = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[3]];
+      const auto a = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[0]];
+      const auto b = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[1]];
+      const auto c = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[2]];
+      const auto d = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[3]];
 
       m_mesh_data.quadrangle_entity[quadrilateral_number]        = GmshData::Quadrangle{a, b, c, d};
       m_mesh_data.quadrangle_entity_ref[quadrilateral_number]    = m_mesh_data.entity_reference[i];
@@ -2077,10 +2088,10 @@ GmshReader::__proceedData()
     case 3: {   // tetrahedra
       int& tetrahedron_number = element_number[3];
 
-      const auto a = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[0]];
-      const auto b = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[1]];
-      const auto c = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[2]];
-      const auto d = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[3]];
+      const auto a = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[0]];
+      const auto b = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[1]];
+      const auto c = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[2]];
+      const auto d = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[3]];
 
       m_mesh_data.tetrahedron_entity[tetrahedron_number]        = GmshData::Tetrahedron{a, b, c, d};
       m_mesh_data.tetrahedron_entity_ref[tetrahedron_number]    = m_mesh_data.entity_reference[i];
@@ -2091,14 +2102,14 @@ GmshReader::__proceedData()
     case 4: {   // hexaredron
       int& hexahedron_number = element_number[4];
 
-      const auto a = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[0]];
-      const auto b = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[1]];
-      const auto c = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[2]];
-      const auto d = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[3]];
-      const auto e = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[4]];
-      const auto f = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[5]];
-      const auto g = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[6]];
-      const auto h = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[7]];
+      const auto a = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[0]];
+      const auto b = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[1]];
+      const auto c = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[2]];
+      const auto d = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[3]];
+      const auto e = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[4]];
+      const auto f = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[5]];
+      const auto g = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[6]];
+      const auto h = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[7]];
 
       m_mesh_data.hexahedron_entity[hexahedron_number]        = GmshData::Hexahedron{a, b, c, d, e, f, g, h};
       m_mesh_data.hexahedron_entity_ref[hexahedron_number]    = m_mesh_data.entity_reference[i];
@@ -2108,12 +2119,12 @@ GmshReader::__proceedData()
     }
     case 5: {   // prism
       int& prism_number = element_number[5];
-      const auto a      = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[0]];
-      const auto b      = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[1]];
-      const auto c      = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[2]];
-      const auto d      = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[3]];
-      const auto e      = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[4]];
-      const auto f      = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[5]];
+      const auto a      = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[0]];
+      const auto b      = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[1]];
+      const auto c      = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[2]];
+      const auto d      = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[3]];
+      const auto e      = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[4]];
+      const auto f      = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[5]];
 
       m_mesh_data.prism_entity[prism_number]        = GmshData::Prism{a, b, c, d, e, f};
       m_mesh_data.prism_entity_ref[prism_number]    = m_mesh_data.entity_reference[i];
@@ -2124,11 +2135,11 @@ GmshReader::__proceedData()
     case 6: {   // pyramid
       int& pyramid_number = element_number[6];
 
-      const auto a = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[0]];
-      const auto b = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[1]];
-      const auto c = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[2]];
-      const auto d = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[3]];
-      const auto e = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[4]];
+      const auto a = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[0]];
+      const auto b = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[1]];
+      const auto c = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[2]];
+      const auto d = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[3]];
+      const auto e = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[4]];
 
       m_mesh_data.pyramid_entity[pyramid_number]        = GmshData::Pyramid{a, b, c, d, e};
       m_mesh_data.pyramid_entity_ref[pyramid_number]    = m_mesh_data.entity_reference[i];
@@ -2139,7 +2150,7 @@ GmshReader::__proceedData()
       // Unsupported entities
     case 14: {   // point
       int& point_number                          = element_number[14];
-      m_mesh_data.point_entity[point_number]     = m_mesh_data.gmsh_node_to_node_id_correspondance[elementVertices[0]];
+      m_mesh_data.point_entity[point_number]     = m_mesh_data.gmsh_node_to_node_id_correspondance[element_vertices[0]];
       m_mesh_data.point_entity_ref[point_number] = m_mesh_data.entity_reference[i];
       m_mesh_data.point_entity_number[point_number] = m_mesh_data.entity_number[i];
       point_number++;
diff --git a/src/mesh/GmshReader.hpp b/src/mesh/GmshReader.hpp
index 24682243937853556e89764e2ca906d4505407af..4a5479aac937881009e97b69db158ed19a82d7f9 100644
--- a/src/mesh/GmshReader.hpp
+++ b/src/mesh/GmshReader.hpp
@@ -146,7 +146,7 @@ class GmshReader : public MeshBuilderBase
     /**
      * References
      */
-    std::vector<std::vector<int>> __elementVertices;
+    std::vector<std::vector<int>> element_vertices;
 
     std::map<unsigned int, PhysicalRefId> m_physical_ref_map;
   };