diff --git a/src/samplefunctional.hh b/src/samplefunctional.hh
index 2cfdb57a60367fd001a72c614056ae78d8b37963..bbe669289cdd56da02542b0b476cd7516eb7006a 100644
--- a/src/samplefunctional.hh
+++ b/src/samplefunctional.hh
@@ -12,7 +12,6 @@
 #include "properscalarincreasingconvexfunction.hh"
 
 namespace Dune {
-
 template <int dimension, class Function = TrivialFunction>
 class SampleFunctional {
 public: