diff --git a/test/decoupled/1p/test_diffusionproblem3d.hh b/test/decoupled/1p/test_diffusionproblem3d.hh
index c69443c77531a0088f4d359371c4d1ecc4f07df7..f0b72f0940d4303e141d2b2af0658d8b6ba617b6 100644
--- a/test/decoupled/1p/test_diffusionproblem3d.hh
+++ b/test/decoupled/1p/test_diffusionproblem3d.hh
@@ -22,7 +22,7 @@
 #ifndef DUMUX_TEST_DIFFUSION_3D_PROBLEM_HH
 #define DUMUX_TEST_DIFFUSION_3D_PROBLEM_HH
 
-#if HAVE_ALUGRID | HAVE_UGGRID
+#if HAVE_ALUGRID || HAVE_UG
 
 #include <dune/grid/alugrid/3d/alugrid.hh>
 #include <dune/grid/uggrid.hh>