diff --git a/cmake/modules/DumuxMacros.cmake b/cmake/modules/DumuxMacros.cmake
index 5f5d3916fe8c2f6118b450ab5b2ca73f0e3e364e..f1628c8e015718b4fa8f7e8ce6f631ae587086a6 100644
--- a/cmake/modules/DumuxMacros.cmake
+++ b/cmake/modules/DumuxMacros.cmake
@@ -11,5 +11,6 @@ find_package(Gstat)
 find_package(Gmsh)
 find_package(NLOPT)
 find_package(PTScotch)
+include(AddPTScotchFlags)
 find_package(PVPython)
 find_package(Valgrind)