diff --git a/src/Driver/Driver_Mesh.h b/src/Driver/Driver_Mesh.h
index 21170efca..64a1eb739 100644
--- a/src/Driver/Driver_Mesh.h
+++ b/src/Driver/Driver_Mesh.h
@@ -59,7 +59,7 @@ class MESHDRIVER_EXPORT Driver_Mesh
   };
 
   void                SetMeshId(int theMeshId);
-  void                SetFile(const std::string& theFileName);
+  virtual void        SetFile(const std::string& theFileName);
   virtual void        SetMeshName(const std::string& theMeshName);
   virtual std::string GetMeshName() const;