diff --git a/slixmpp_omemo/__init__.py b/slixmpp_omemo/__init__.py
index 1bf170b..3c64855 100644
--- a/slixmpp_omemo/__init__.py
+++ b/slixmpp_omemo/__init__.py
@@ -423,7 +423,7 @@ class XEP_0384(BasePlugin):
         header = encrypted['header']
         payload = b64dec(encrypted['payload']['value'])
 
-        jid = sender
+        jid = sender.bare
         sid = int(header['sid'])
 
         key = header.xml.find("{%s}key[@rid='%s']" % (