diff --git a/opm/simulators/utils/ParallelCommunication.hpp b/opm/simulators/utils/ParallelCommunication.hpp
index 0f962f320..304a2546a 100644
--- a/opm/simulators/utils/ParallelCommunication.hpp
+++ b/opm/simulators/utils/ParallelCommunication.hpp
@@ -24,14 +24,15 @@
 #include <dune/common/parallel/mpihelper.hh>
 
 namespace Opm
-{ 
-namespace Parallel {
-using MPIComm = typename Dune::MPIHelper::MPICommunicator;  
+{
+namespace Parallel
+{
+    using MPIComm = typename Dune::MPIHelper::MPICommunicator;
 #if DUNE_VERSION_NEWER(DUNE_COMMON, 2, 7)
-    using Communication = Dune::Communication<MPIComm>; 
+    using Communication = Dune::Communication<MPIComm>;
 #else
     using Communication = Dune::CollectiveCommunication<MPIComm>;
 #endif
-}
+} // namespace Parallel
 } // end namespace Opm
 #endif // OPM_PARALLELCOMMUNICATION_HEADER_INCLUDED