diff --git a/lib/model/smartplugin.py b/lib/model/smartplugin.py
index de81d1cf7b..11b647e0ff 100644
--- a/lib/model/smartplugin.py
+++ b/lib/model/smartplugin.py
@@ -994,7 +994,7 @@ def scheduler_remove(self, name):
         """
         try:
             self._schedulers.remove(name)
-        except KeyError:
+        except ValueError:
             pass  # TODO: maybe give a warning?
         if name != '':
             name = '.' + name