diff --git a/src/msw/ole/droptgt.cpp b/src/msw/ole/droptgt.cpp
index b6d353d98c..c133b3d9b4 100644
--- a/src/msw/ole/droptgt.cpp
+++ b/src/msw/ole/droptgt.cpp
@@ -61,6 +61,10 @@ class wxIDropTarget : public IDropTarget
 {
 public:
     wxIDropTarget(wxDropTarget *p);
+    // suppress gcc warning
+#ifdef __GNUG__
+    virtual
+#endif
     ~wxIDropTarget();
 
     // accessors for wxDropTarget