diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0bb23d5a1dd69a574a4cb11b03f2241069753bcf..f04ce0f291779095b2d996d26d9ef56d52ee500c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -126,6 +126,9 @@ include_directories(${PASTIS_SOURCE_DIR}/packages/rang/include)
 # CLI11
 include_directories(${PASTIS_SOURCE_DIR}/packages/CLI11/include)
 
+# PGETL
+include_directories(${PASTIS_SOURCE_DIR}/packages/PEGTL/include/tao)
+
 # Pastis src
 add_subdirectory(src)