diff --git a/dune/tectonic/samplefunctional.hh b/dune/tectonic/samplefunctional.hh
index 37678b53e50e5b954c3c9610fff502e82409b590..1cca05f0ee81eff67d647a5f12ea7f1b56dfa492 100644
--- a/dune/tectonic/samplefunctional.hh
+++ b/dune/tectonic/samplefunctional.hh
@@ -6,7 +6,6 @@
 #include <dune/common/stdstreams.hh>
 
 #include <dune/fufem/interval.hh>
-
 #include <dune/tnnmg/problem-classes/bisection.hh>
 
 #include "mydirectionalconvexfunction.hh"
diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index 5ba0d2fedff12b65889e043df14d2d3ed3ab781d..e8e4dff05484409a963d78f0c55cb9dfe7b911f4 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -54,7 +54,7 @@
 #include <dune/tectonic/myblockproblem.hh>
 #include <dune/tectonic/myvtkwriter.hh>
 
-int const dim = 2;
+int const dim = 3;
 
 template <class GridView>
 void setup_boundary(GridView const &gridView,