diff --git a/test/porenetwork/2pnc/problem.hh b/test/porenetwork/2pnc/problem.hh
index 5b34d543322833bc37857767d3947a3ec36ddd90..cddba34f79048fa0040acd3d3c3e90cd3711c86e 100644
--- a/test/porenetwork/2pnc/problem.hh
+++ b/test/porenetwork/2pnc/problem.hh
@@ -14,8 +14,9 @@
 
 #include <dumux/common/boundarytypes.hh>
 #include <dumux/common/parameters.hh>
-#include <dumux/porousmediumflow/problem.hh>
 #include <dumux/material/components/air.hh>
+#include <dumux/porousmediumflow/problem.hh>
+#include <dumux/porenetwork/2pnc/model.hh>
 
 namespace Dumux {