diff --git a/src/assemblers.cc b/src/assemblers.cc
index d36cc9e84c37ca21bcf2b9f5ff759b8ca2786a48..54b7113367ad6fa9ecbde01a2b35ea39be080b17 100644
--- a/src/assemblers.cc
+++ b/src/assemblers.cc
@@ -19,10 +19,10 @@ void assembleNeumann(GridView const &gridView, AssemblerType const &assembler,
                      double relativeTime) { // constant sample function on
                                             // neumann boundary
   BoundaryPatch<GridView> const neumannBoundary(gridView, neumannNodes);
-  LocalVectorType SampleVector(0);
-  neumann.evaluate(relativeTime, SampleVector[0]);
+  LocalVectorType localNeumann(0);
+  neumann.evaluate(relativeTime, localNeumann[0]);
   ConstantFunction<LocalVectorType, LocalVectorType> const fNeumann(
-      SampleVector);
+      localNeumann);
   NeumannBoundaryAssembler<typename GridView::Grid, LocalVectorType>
   neumannBoundaryAssembler(fNeumann);
   assembler.assembleBoundaryFunctional(neumannBoundaryAssembler, f,