diff --git a/dune/fem-dg/main/main.cc b/dune/fem-dg/main/main.cc
index 6ac6f9af3e22a77abfaa72d00ad9163fc4f1a923..cf411443d2b575f3890e12c79f00fb1bb930e56e 100644
--- a/dune/fem-dg/main/main.cc
+++ b/dune/fem-dg/main/main.cc
@@ -14,6 +14,10 @@
 // streams for backup
 #include <dune/fem-dg/misc/streams.hh>
 
+#if HAVE_DUNE_SPGRID
+#include <dune/grid/spgrid.hh>
+#endif
+
 // local includes
 #include <dune/fem-dg/main/main.hh>