--- /usr/share/pyshared/univention/lib/share_restrictions.py.orig	2014-03-03 11:48:48.797611606 +0100
+++ /usr/share/pyshared/univention/lib/share_restrictions.py	2014-03-03 11:49:27.362203380 +0100
@@ -298,7 +298,9 @@
 
 	# set share options to -> shares
 	def _set_options( self, value, share, option ):
-		if match and share and options and value:
+		if share and option and value:
+			if not share in self._shares:
+				self._shares[ share ] = Share( share )
 			if not option in self._shares[ share ]:
 				self._shares[ share ][ option ] = set()