diff --git a/IPython/lib/inputhook.py b/IPython/lib/inputhook.py
index d4f452c..a3d741b 100644
--- a/IPython/lib/inputhook.py
+++ b/IPython/lib/inputhook.py
@@ -363,7 +363,7 @@ class Qt4InputHook(InputHookBase):
         """
         from IPython.lib.inputhookqt4 import create_inputhook_qt4
         from IPython.external.appnope import nope
-        app, inputhook_qt4 = create_inputhook_qt4(self, app)
+        app, inputhook_qt4 = create_inputhook_qt4(self.manager, app)
         self.manager.set_inputhook(inputhook_qt4)
         nope()