diff --git a/sat/plugins/plugin_xep_0198.py b/sat/plugins/plugin_xep_0198.py
index 2b07b8da..a4d2b0f0 100755
--- a/sat/plugins/plugin_xep_0198.py
+++ b/sat/plugins/plugin_xep_0198.py
@@ -116,6 +116,12 @@ class ProfileSessionData(object):
         self.session_id = self.location = None
         self.ack_requested = False
         self.last_ack_r = 0
+        if self.req_timer is not None:
+            if self.req_timer.active():
+                log.error(u"req_timer has been called/cancelled but not reset")
+            else:
+                self.req_timer.cancel()
+            self.req_timer = None
 
 
 class XEP_0198(object):