diff --git a/ucs-4.0-2/management/univention-management-console/src/univention/management/console/protocol/message.py b/ucs-4.0-2/management/univention-management-console/src/univention/management/console/protocol/message.py
index 8bce568..6f85231 100644
--- a/ucs-4.0-2/management/univention-management-console/src/univention/management/console/protocol/message.py
+++ b/ucs-4.0-2/management/univention-management-console/src/univention/management/console/protocol/message.py
@@ -129,6 +129,8 @@ def _formattedMessage(_id, _type, mimetype, command, body, arguments):
 		if mimetype == MIMETYPE_JSON:
 			data = json.dumps(body)
 		else:
+			if isinstance(body, unicode):
+				body = body.encode('UTF-8')
 			data = body
 		args = ''
 		if arguments: