diff --git a/dumux/discretization/box/globalvolumevariables.hh b/dumux/discretization/box/globalvolumevariables.hh
index dc069bd3fe11551039d06c61c56540b492214565..ac5ae9b68f8a2a0af2eff13ac1b0c7cdb8e654e6 100644
--- a/dumux/discretization/box/globalvolumevariables.hh
+++ b/dumux/discretization/box/globalvolumevariables.hh
@@ -96,13 +96,13 @@ public:
     friend inline ElementVolumeVariables localView(const BoxGlobalVolumeVariables& global)
     { return ElementVolumeVariables(global); }
 
-private:
     const VolumeVariables& volVars(const IndexType eIdx, const IndexType scvIdx) const
     { return volumeVariables_[eIdx][scvIdx]; }
 
     VolumeVariables& volVars(const IndexType eIdx, const IndexType scvIdx)
     { return volumeVariables_[eIdx][scvIdx]; }
 
+private:
     const Problem& problem_() const
     { return *problemPtr_; }