diff --git a/dumux/boxmodels/2p2c/2p2cmodel.hh b/dumux/boxmodels/2p2c/2p2cmodel.hh
index e603a7a93885d20e820d66bc463440064fc9f73f..e041d305cf98fe7e394a3633bd5801b0c28b52fc 100644
--- a/dumux/boxmodels/2p2c/2p2cmodel.hh
+++ b/dumux/boxmodels/2p2c/2p2cmodel.hh
@@ -788,7 +788,7 @@ protected:
         return phasePresence != newPhasePresence;
     }
 
-private:
+protected:
     // parameters given in constructor
     std::vector<StaticVars> staticVertexDat_;
     bool switchFlag_;