diff --git a/src/language/ast/ASTNodeDataTypeBuilder.cpp b/src/language/ast/ASTNodeDataTypeBuilder.cpp
index 1e7eb1c427042bef9566c2c55befeb72de0c5e67..8ee9225cd75b76d6aff8b82a7f853cb74c40bacc 100644
--- a/src/language/ast/ASTNodeDataTypeBuilder.cpp
+++ b/src/language/ast/ASTNodeDataTypeBuilder.cpp
@@ -123,6 +123,8 @@ ASTNodeDataTypeBuilder::_buildNodeDataTypes(ASTNode& n) const
         n.m_data_type = getVectorDataType(n);
       } else if (n.is_type<language::matrix_type>()) {
         n.m_data_type = getMatrixDataType(n);
+      } else if (n.is_type<language::tuple_type_specifier>()) {
+        n.m_data_type = getTupleDataType(n);
 
       } else if (n.is_type<language::literal>()) {
         n.m_data_type = ASTNodeDataType::build<ASTNodeDataType::string_t>();