diff --git a/branches/ucs-3.2/ucs-3.2-2/base/univention-config-registry/python/univention/config_registry/handler.py b/branches/ucs-3.2/ucs-3.2-2/base/univention-config-registry/python/univention/config_registry/handler.py
index da144fa..a4285ad 100644
--- a/branches/ucs-3.2/ucs-3.2-2/base/univention-config-registry/python/univention/config_registry/handler.py
+++ b/branches/ucs-3.2/ucs-3.2-2/base/univention-config-registry/python/univention/config_registry/handler.py
@@ -444,6 +444,14 @@ class ConfigHandlerScript(ConfigHandler):
 		super(ConfigHandlerScript, self).__init__()
 		self.script = script
 
+	def __hash__(self):
+		"""Return unique hash."""
+		return hash(self.script)
+
+	def __cmp__(self, other):
+		"""Compare this to other handler."""
+		return cmp(self.script, other.script)
+
 	def __call__(self, args):
 		"""Call external programm after change."""
 		_ucr, changed = args
@@ -459,6 +467,14 @@ class ConfigHandlerModule(ConfigHandler):
 		super(ConfigHandlerModule, self).__init__()
 		self.module = module
 
+	def __hash__(self):
+		"""Return unique hash."""
+		return hash(self.module)
+
+	def __cmp__(self, other):
+		"""Compare this to other handler."""
+		return cmp(self.module, other.module)
+
 	def __call__(self, args):
 		"""Call python module after change."""
 		ucr, changed = args