diff --git a/extensions/demo/NavierStokesCahnHilliard_PC/run b/extensions/demo/NavierStokesCahnHilliard_PC/run
index 415d3d470c365e7c6f5f3c6ddf178fd85fbd8cbf..3a1c54a437290a18579c99a5ca2a132b9c11238f 100644
--- a/extensions/demo/NavierStokesCahnHilliard_PC/run
+++ b/extensions/demo/NavierStokesCahnHilliard_PC/run
@@ -1,7 +1,7 @@
 # This demo implements the Navier-Stokes-Cahn-Hilliard Benchmark from
 # S. Aland, A. Voigt. Benchmark computations of diffuse-interface models for two-dimensional bubble dynamics. Int. J. Num. Meth. Fluids (2012)
 
-output="output2_sequentiell"
+output="output"
 initfile="init/nsch.dat.2d"
 mkdir $output
 cd $output
@@ -11,7 +11,9 @@ cp ../$initfile .
 
 mpiexec -n 2 ../nsch ../$initfile -ns_ksp_atol 1e-9 -ns_ksp_rtol 0 -ch_ksp_atol 1e-9 -ch_ksp_rtol 0 -laplace_pc_type hypre -laplace_pc_hypre_boomeramg_relax_type_coarse symmetric-SOR/Jacobi
 
-# sequentiell (solver noch auf umfpack stellen)  ->   #../drivenCavity ../$initfile 
+# sequentiell (solver noch auf umfpack stellen)  ->   #../nsch ../$initfile 
+
+
+###### zum parallel debugging
 ###### mpiexec -n 2 valgrind --tool=memcheck -q  --num-callers=20 --log-file=valgrind.log.%p ../drivenCavity ../$initfile -malloc off -start_in_debugger
-###### -ksp_type richardson -pc_type lu -pc_factor_mat_solver_package mumps
 
diff --git a/extensions/demo/NavierStokesCahnHilliard_PC/src/nsch.cc b/extensions/demo/NavierStokesCahnHilliard_PC/src/nsch.cc
index 1fa3878203c901a5148b3945ae3b6e912f49e102..b8ea50f2f474ecd6c1c95d7bdeb900f0a561eb67 100644
--- a/extensions/demo/NavierStokesCahnHilliard_PC/src/nsch.cc
+++ b/extensions/demo/NavierStokesCahnHilliard_PC/src/nsch.cc
@@ -164,7 +164,7 @@ int main(int argc, char** argv)
     CahnHilliardNavierStokes_<CahnHilliardPC,MyNavierStokes_PC> mainProb("main", &chProb, &nsProb);
   #else
     CahnHilliard_ chProb("ch");
-    MyNavierStokes_PC nsProb("ns");
+    MyNavierStokes nsProb("ns");
     CahnHilliardNavierStokes_<CahnHilliard_,MyNavierStokes> mainProb("main", &chProb, &nsProb);
   #endif