diff --git a/test/cosseratenergytest.cc b/test/cosseratenergytest.cc
index b475c29a67afa3849a7eb1d2bd0524f921a93064..7800582e861e1a6887c8484715d3aa43e15f8d19 100644
--- a/test/cosseratenergytest.cc
+++ b/test/cosseratenergytest.cc
@@ -126,6 +126,7 @@ void testEnergy(const GridType* grid, const std::vector<TargetSpace>& coefficien
     materialParameters["mu_c"] = "3.8462e+05";
     materialParameters["L_c"] = "0.1";
     materialParameters["q"] = "2.5";
+    materialParameters["kappa"] = "0.1";
 
     ConstantFunction<Dune::FieldVector<double,GridType::dimension>, Dune::FieldVector<double,3> > zeroFunction(Dune::FieldVector<double,3>(0));