diff --git a/src/TNL/Meshes/Topologies/CMakeLists.txt b/src/TNL/Meshes/Topologies/CMakeLists.txt
index b6df30fd4acae88176e85de10ab768942f7be11a..797662306a257537a98fd9c756818be02e1923c6 100644
--- a/src/TNL/Meshes/Topologies/CMakeLists.txt
+++ b/src/TNL/Meshes/Topologies/CMakeLists.txt
@@ -1,10 +1,11 @@
 SET( headers Edge.h
              Hexahedron.h
              Quadrilateral.h
+             Simplex.h
+             SubentityVertexMap.h
              Tetrahedron.h
              Triangle.h
              Vertex.h
-             SubentityVertexMap.h
 )
 
 INSTALL( FILES ${headers} DESTINATION ${TNL_TARGET_INCLUDE_DIRECTORY}/Meshes/Topologies )