Fix parpack test

diff --git a/tests/arpack/step-36_parpack_mf.cc b/tests/arpack/step-36_parpack_mf.cc
index d0e6f587dec71d0810b38db9b5f6e329a79c1d6e..6d2c95e04d21bbea9d4477db75745d1d44d9a58c 100644 (file)
--- a/tests/arpack/step-36_parpack_mf.cc
+++ b/tests/arpack/step-36_parpack_mf.cc
@@ -105,7 +105,7 @@ void test ()
 
   std::vector<LinearAlgebra::distributed::Vector<double> > eigenfunctions;
   std::vector<double>                                      eigenvalues;
-  MatrixFreeOperators::MassOperator<dim,fe_degree, 1, double> mass;
+  MatrixFreeOperators::MassOperator<dim,fe_degree, fe_degree+1, 1, double> mass;
   MatrixFreeOperators::LaplaceOperator<dim,fe_degree, fe_degree+1, 1, double> laplace;
   mass.initialize(mf_data);
   laplace.initialize(mf_data);