diff --git a/dumux/io/grid/gridmanager.hh b/dumux/io/grid/gridmanager.hh
index 7105b65e319b97f7bd6ab0181c6422e3477ee603..df101588743ba9320e2a68c457cd9243d23cddb7 100644
--- a/dumux/io/grid/gridmanager.hh
+++ b/dumux/io/grid/gridmanager.hh
@@ -34,5 +34,6 @@
 #include <dumux/io/grid/gridmanager_foam.hh>
 #include <dumux/io/grid/gridmanager_sp.hh>
 #include <dumux/io/grid/gridmanager_mmesh.hh>
+#include <dumux/io/grid/gridmanager_sub.hh>
 
 #endif