--- a/sat/plugins/plugin_xep_0297.py	Sat Dec 01 09:59:48 2018 +0100
+++ b/sat/plugins/plugin_xep_0297.py	Sat Dec 01 10:04:17 2018 +0100
@@ -34,8 +34,6 @@
 
 from twisted.words.xish import domish
 
-NS_SF = C.NS_FORWARD
-
 PLUGIN_INFO = {
     C.PI_NAME: u"Stanza Forwarding",
     C.PI_IMPORT_NAME: u"XEP-0297",
@@ -51,7 +49,7 @@
     # FIXME: check this implementation which doesn't seems to be used
 
     def __init__(self, host):
-        log.info(_("Stanza Forwarding plugin initialization"))
+        log.info(_(u"Stanza Forwarding plugin initialization"))
         self.host = host
 
     def getHandler(self, client):
@@ -95,7 +93,7 @@
         if body:
             body_elt.addContent(body)
 
-        forwarded_elt = domish.Element((NS_SF, "forwarded"))
+        forwarded_elt = domish.Element((C.NS_FORWARD, "forwarded"))
         delay_elt = self.host.plugins["XEP-0203"].delay(stamp)
         forwarded_elt.addChild(delay_elt)
         if not stanza.uri:  # None or ''
@@ -118,7 +116,7 @@
         self.profile = profile
 
     def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
-        return [disco.DiscoFeature(NS_SF)]
+        return [disco.DiscoFeature(C.NS_FORWARD)]
 
     def getDiscoItems(self, requestor, target, nodeIdentifier=""):
         return []