diff --git a/dumux/assembly/fvassembler.hh b/dumux/assembly/fvassembler.hh
index 158ac17ae4a30c4b83757c646665dc265cea2efe..0fab3877ae3d09f71fdb5f74f83c69fa4e346915 100644
--- a/dumux/assembly/fvassembler.hh
+++ b/dumux/assembly/fvassembler.hh
@@ -102,7 +102,7 @@ public:
     , fvGridGeometry_(fvGridGeometry)
     , gridVariables_(gridVariables)
     , timeLoop_(timeLoop)
-    , isStationaryProblem_(false)
+    , isStationaryProblem_(!timeLoop)
     {}
 
     /*!