diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index c278b7ed52..0581d5ba17 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -133,7 +133,7 @@ class Main(MainWindow, MainWindowMixin, DeviceMixin, EmailMixin,  # {{{
                 continue
             try:
                 ac = self.init_iaction(action)
-            except:
+            except Exception:
                 # Ignore errors in loading user supplied plugins
                 import traceback
                 try: