--- a/UI/UserInterface.py	Sun May 08 19:42:41 2016 +0200
+++ b/UI/UserInterface.py	Sun May 08 19:48:19 2016 +0200
@@ -5280,7 +5280,7 @@
                 if single:
                     self.helpWindow = help
                     try:
-                        self.helpWindow.webBrowserClosed.connect(
+                        self.helpWindow.webBrowserWindowClosed.connect(
                             self.__helpClosed)
                     except AttributeError:
                         self.helpWindow.helpClosed.connect(self.__helpClosed)