diff --git a/dune/foamgrid/dgffoam.cc b/dune/foamgrid/dgffoam.cc
index fc0375b2eeb4ae6bff1748b70d17a050ac7cbacf..c8f6db6c5505975f45e0cac48082424b79930568 100644
--- a/dune/foamgrid/dgffoam.cc
+++ b/dune/foamgrid/dgffoam.cc
@@ -65,7 +65,7 @@ namespace Dune
     }
 
     // create grid
-    grid_ = factory_.createGrid();
+    grid_ = factory_.createGrid().release();
   }
 
 } // namespace Dune