diff --git a/dumux/decoupled/2p/transport/fv/evalcflfluxcoats.hh b/dumux/decoupled/2p/transport/fv/evalcflfluxcoats.hh
index aa959e4b2497afe46b01349eaefa7e5e89e885ed..09ac8a3dc66e398ab73708ed192428320c6949d7 100644
--- a/dumux/decoupled/2p/transport/fv/evalcflfluxcoats.hh
+++ b/dumux/decoupled/2p/transport/fv/evalcflfluxcoats.hh
@@ -24,6 +24,7 @@
  * @brief  CFL-flux-function to evaluate a CFL-Condition after Coats 2003
  */
 
+#include <dumux/decoupled/common/impetproperties.hh> 
 #include "evalcflflux.hh"
 
 namespace Dumux
diff --git a/dumux/decoupled/2p/transport/fv/evalcflfluxdefault.hh b/dumux/decoupled/2p/transport/fv/evalcflfluxdefault.hh
index 195c3ee42373102ae4112ba19d4e80689ea46ea3..c6a5d3a06a232f727f55baedd4303c58314529fe 100644
--- a/dumux/decoupled/2p/transport/fv/evalcflfluxdefault.hh
+++ b/dumux/decoupled/2p/transport/fv/evalcflfluxdefault.hh
@@ -24,6 +24,7 @@
  * @brief  Fluxes to evaluate a CFL-Condition
  */
 
+#include <dumux/decoupled/common/impetproperties.hh> 
 #include "evalcflflux.hh"
 
 namespace Dumux
@@ -106,8 +107,7 @@ public:
     {
         Scalar porosity = std::max(problem_.spatialParams().porosity(element), porosityThreshold_);
 
-        return (getCFLFluxFunction(element) * problem_.spatialParams().porosity(element) * element.geometry().volume());
-
+        return (getCFLFluxFunction(element) * porosity * element.geometry().volume());
     }
 
     //! resets the accumulated CFL-fluxes to zero