diff --git a/sat/plugins/plugin_xep_0166.py b/sat/plugins/plugin_xep_0166.py
index 8fe3c2e7..c6915b6a 100644
--- a/sat/plugins/plugin_xep_0166.py
+++ b/sat/plugins/plugin_xep_0166.py
@@ -143,7 +143,7 @@ class XEP_0166(object):
             self._delSession(client, sid)
             log.warning(
                 u"Error while managing jingle session, cancelling: {condition}".format(
-                    error_condition
+                    condition=error_condition
                 )
             )
         client.send(iq_elt)