diff --git a/lemon/soplex.h b/lemon/soplex.h
--- a/lemon/soplex.h
+++ b/lemon/soplex.h
@@ -73,12 +73,13 @@
     SoplexLp(const SoplexLp&);
     /// \e
     ~SoplexLp();
+    /// \e
+    virtual SoplexLp* newSolver() const;
+    /// \e
+    virtual SoplexLp* cloneSolver() const;
 
   protected:
 
-    virtual SoplexLp* _newSolver() const;
-    virtual SoplexLp* _cloneSolver() const;
-
     virtual const char* _solverName() const;
 
     virtual int _addCol();