diff --git a/IPython/lib/inputhookqt4.py b/IPython/lib/inputhookqt4.py
index 128bf9c..b46a628 100644
--- a/IPython/lib/inputhookqt4.py
+++ b/IPython/lib/inputhookqt4.py
@@ -88,6 +88,7 @@ def create_inputhook_qt4(mgr, app=None):
                     timer.start(50)
                     app.exec_()
                     timer.stop()
+            ignore_CTRL_C()
         except KeyboardInterrupt:
             ignore_CTRL_C()
             got_kbdint[0] = True