diff --git a/dune/fem-dg/misc/algorithmcreatorselector.hh b/dune/fem-dg/misc/algorithmcreatorselector.hh
index 3245627f545f6bfd5cf1eae1579fa3159473be41..d758b46154de6a268c3cc1dc006b77ab3035ac77 100644
--- a/dune/fem-dg/misc/algorithmcreatorselector.hh
+++ b/dune/fem-dg/misc/algorithmcreatorselector.hh
@@ -503,7 +503,7 @@ namespace Fem
 ///////////////////////////////////////////////////////////////////////////
 // DiscreteFunctionSpaceSelector
 ///////////////////////////////////////////////////////////////////////////
-#if USE_BASEFUNCTIONSET_CODEGEN
+#ifdef USE_BASEFUNCTIONSET_CODEGEN
   template <class T>
   using Storage = Dune::Fem::CodegenStorage<T>;
 #else