diff --git a/shell/view/frame/clipboardbox.py b/shell/view/frame/clipboardbox.py
index b1a53c4d..2dcad10e 100644
--- a/shell/view/frame/clipboardbox.py
+++ b/shell/view/frame/clipboardbox.py
@@ -146,7 +146,7 @@ class ClipboardBox(hippo.CanvasBox):
     def drag_motion_cb(self, widget, context, x, y, time):
         logging.debug('ClipboardBox._drag_motion_cb')
         context.drag_status(gtk.gdk.ACTION_COPY, time)
-        return False;
+        return True;
 
     def drag_drop_cb(self, widget, context, x, y, time):
         logging.debug('ClipboardBox._drag_drop_cb')