diff --git a/src/calibre/gui2/viewer/toolbars.py b/src/calibre/gui2/viewer/toolbars.py
index d82c138e66..806cbb959f 100644
--- a/src/calibre/gui2/viewer/toolbars.py
+++ b/src/calibre/gui2/viewer/toolbars.py
@@ -120,7 +120,7 @@ class ActionsToolBar(ToolBar):
         a.triggered.connect(self.customize)
         a = m.addAction(_('Hide this toolbar'))
         a.triggered.connect(self.hide_toolbar)
-        m.exec_(pos)
+        m.exec_(self.mapToGlobal(pos))
 
     def hide_toolbar(self):
         self.web_view.trigger_shortcut('toggle_toolbar')