diff --git a/extensions/webmail/lib.py b/extensions/webmail/lib.py
index 526187ce0..2bd3153f0 100644
--- a/extensions/webmail/lib.py
+++ b/extensions/webmail/lib.py
@@ -111,7 +111,7 @@ class IMAPheader(object):
 
     @staticmethod
     def parse_subject(value, **kwargs):
-        return u2u_decode.u2u_decode(value)
+        return decode(u2u_decode.u2u_decode(value))
 
 class ConnectionsManager(type):
     def __init__(cls, name, bases, dict):