diff --git a/test/implicit/1p2c/1p2coutflowproblem.hh b/test/implicit/1p2c/1p2coutflowproblem.hh
index 77664eb8e116009d4ee17ee09cfc65aea7e44b70..285af9e3a4ea4a07b25136f63c7dbf95ae148e52 100644
--- a/test/implicit/1p2c/1p2coutflowproblem.hh
+++ b/test/implicit/1p2c/1p2coutflowproblem.hh
@@ -152,6 +152,9 @@ class OnePTwoCOutflowProblem : public ImplicitPorousMediaProblem<TypeTag>
 
     typedef Dune::FieldVector<Scalar, dimWorld> GlobalPosition;
 
+    //! property that defines whether mole or mass fractions are used
+        static const bool useMoles = GET_PROP_VALUE(TypeTag, UseMoles);
+
 public:
     OnePTwoCOutflowProblem(TimeManager &timeManager, const GridView &gridView)
         : ParentType(timeManager, gridView)