diff --git a/dune/solvers/iterationsteps/multigridstep.hh b/dune/solvers/iterationsteps/multigridstep.hh
index 6fb5699deab61df2fc6efb9dec7538cd348dab39..b7939bad2a7232e3e7c872269523eafa2362dd8f 100644
--- a/dune/solvers/iterationsteps/multigridstep.hh
+++ b/dune/solvers/iterationsteps/multigridstep.hh
@@ -155,27 +155,27 @@ namespace Dune {
         /** \brief Set the smoother iteration step */
         virtual void setSmoother(LinearStepType* smoother)
         {
-                presmootherDefault_ = postsmootherDefault_ = Dune::stackobject_to_shared_ptr(*smoother);
+            presmootherDefault_ = postsmootherDefault_ = Dune::stackobject_to_shared_ptr(*smoother);
 
-                levelWiseSmoothers_.clear();
+            levelWiseSmoothers_.clear();
         }
 
         /** \brief Set the smoother iteration step from a smart pointer*/
         virtual void setSmoother(std::shared_ptr<LinearStepType> smoother)
         {
-                presmootherDefault_ = postsmootherDefault_ = smoother;
+            presmootherDefault_ = postsmootherDefault_ = smoother;
 
-                levelWiseSmoothers_.clear();
+            levelWiseSmoothers_.clear();
         }
 
         /** \brief Set pre- and post smoothers individually */
         virtual void setSmoother(LinearStepType* preSmoother,
                                  LinearStepType* postSmoother)
         {
-                presmootherDefault_  = Dune::stackobject_to_shared_ptr(*preSmoother);
-                postsmootherDefault_ = Dune::stackobject_to_shared_ptr(*postSmoother);
+            presmootherDefault_  = Dune::stackobject_to_shared_ptr(*preSmoother);
+            postsmootherDefault_ = Dune::stackobject_to_shared_ptr(*postSmoother);
 
-                levelWiseSmoothers_.clear();
+            levelWiseSmoothers_.clear();
         }
 
         virtual void setSmoother(std::shared_ptr<LinearStepType> preSmoother,
@@ -184,7 +184,7 @@ namespace Dune {
                 presmootherDefault_  = std::move(preSmoother);
                 postsmootherDefault_ = std::move(postSmoother);
 
-                levelWiseSmoothers_.clear();
+            levelWiseSmoothers_.clear();
         }
 
         /** \brief Set the smoother iteration step for a particular level */