diff --git a/opm/simulators/wells/WellInterface.hpp b/opm/simulators/wells/WellInterface.hpp
index a4d37b7fe..71d4e9702 100644
--- a/opm/simulators/wells/WellInterface.hpp
+++ b/opm/simulators/wells/WellInterface.hpp
@@ -270,9 +270,6 @@ public:
                                          WellState<Scalar>& well_state,
                                          DeferredLogger& deferred_logger) const = 0;
 
-    virtual Scalar connectionDensity(const int globalConnIdx,
-                                     const int openConnIdx) const = 0;
-
     /// \brief Wether the Jacobian will also have well contributions in it.
     virtual bool jacobianContainsWellContributions() const
     {
diff --git a/opm/simulators/wells/WellInterfaceGeneric.hpp b/opm/simulators/wells/WellInterfaceGeneric.hpp
index 032ce1b3f..f511eb097 100644
--- a/opm/simulators/wells/WellInterfaceGeneric.hpp
+++ b/opm/simulators/wells/WellInterfaceGeneric.hpp
@@ -200,6 +200,9 @@ public:
         return 0;
     }
 
+    virtual Scalar connectionDensity(const int globalConnIdx,
+                                     const int openConnIdx) const = 0;
+
 protected:
     bool getAllowCrossFlow() const;