diff --git a/src/plugins/pluginmanager.py b/src/plugins/pluginmanager.py
index e71042189b4d5df30c41a9a9d985a70abf197c69..c1112ded1b53764e33286a3b683a7df17afd17cb 100644
--- a/src/plugins/pluginmanager.py
+++ b/src/plugins/pluginmanager.py
@@ -544,7 +544,7 @@ class PluginManager(object):
             self.plugins.remove(plugin)
             if self._plugin_has_entry_in_global_config(plugin):
                 self._remove_plugin_entry_in_global_config(plugin)
-            del sys.modules[plugin.__module__.split('.')[-1]]
+            del sys.modules[plugin.__module__.split('.')[0]]
             del plugin.__module__.split('.')[-1]
             del plugin