diff --git a/sat/plugins/plugin_xep_0198.py b/sat/plugins/plugin_xep_0198.py
index bda465e5..9c30e540 100755
--- a/sat/plugins/plugin_xep_0198.py
+++ b/sat/plugins/plugin_xep_0198.py
@@ -452,7 +452,7 @@ class XEP_0198(object):
         """Called when a requested ACK has not been received in time"""
         log.info(_(u"Ack was not received in time, aborting connection"))
         client.xmlstream.transport.abortConnection()
-        client._xep_0198_session.req_time = None
+        client._xep_0198_session.req_timer = None
 
 
 class XEP_0198_handler(xmlstream.XMPPHandler):