diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index 94530eb8a9887f2673f5d6cb9697c1890f60cceb..9611eb140d077553c12e81bc86d4b0d437a7ce23 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -101,8 +101,9 @@ void assemble_neumann(GridView const &gridView, FEBasis const &feBasis,
                       int run) { // constant sample function on neumann boundary
   BoundaryPatch<GridView> neumannBoundary(gridView, neumannNodes);
   LocalVectorType SampleVector(0);
-  // FIXME: random values (time-independent)
-  SampleVector[0] = 1;
+  // FIXME: random values (time-dependent)
+  SampleVector[0] =
+      run / 10.0; // If we leave this fixed, we get into trouble for some reason
   SampleVector[1] = 0;
   ConstantFunction<LocalVectorType, LocalVectorType> fNeumann(SampleVector);
   NeumannBoundaryAssembler<GridType, LocalVectorType> neumannBoundaryAssembler(