diff --git a/gajim/common/helpers.py b/gajim/common/helpers.py
index 5a4215bc4..59e031cb1 100644
--- a/gajim/common/helpers.py
+++ b/gajim/common/helpers.py
@@ -153,7 +153,7 @@ def parse_resource(resource):
     """
     if resource:
         try:
-            return resource.encode('Nickname').decode('utf-8')
+            return resource.encode('OpaqueString').decode('utf-8')
         except UnicodeError:
             raise InvalidFormat('Invalid character in resource.')