diff --git a/dumux/freeflow/staggered/fluxvariables.hh b/dumux/freeflow/staggered/fluxvariables.hh
index 86a2e12b126d17e51a17b5bf7f26fc4ce602aa7c..b0c09bd413b038d16b29516ed395bb39aeec3689 100644
--- a/dumux/freeflow/staggered/fluxvariables.hh
+++ b/dumux/freeflow/staggered/fluxvariables.hh
@@ -117,7 +117,7 @@ public:
         const auto& upstreamVolVars = insideIsUpstream ? insideVolVars : outsideVolVars;
         const auto& downstreamVolVars = insideIsUpstream ? insideVolVars : outsideVolVars;
 
-        const Scalar upWindWeight = getParamFromGroup<Scalar>(GET_PROP_VALUE(TypeTag, ModelParameterGroup), "Implicit.UpwindWeight");
+        static const Scalar upWindWeight = getParamFromGroup<Scalar>(GET_PROP_VALUE(TypeTag, ModelParameterGroup), "Implicit.UpwindWeight");
 
         flux = (upWindWeight * upstreamVolVars.density() +
                (1.0 - upWindWeight) * downstreamVolVars.density()) * velocity;