diff --git a/dune/vtk/datacollectors/continuousdatacollector.hh b/dune/vtk/datacollectors/continuousdatacollector.hh
index 6b9c9dcce83c756b33c577f90e7ce421726d61b0..e6460d1accd6b41d2a44198954c0627a669f6d41 100644
--- a/dune/vtk/datacollectors/continuousdatacollector.hh
+++ b/dune/vtk/datacollectors/continuousdatacollector.hh
@@ -136,7 +136,7 @@ public:
     return data;
   }
 
-public: // protected:
+protected:
   using Super::gridView_;
   std::uint64_t numPoints_ = 0;
   std::uint64_t numCells_ = 0;