diff --git a/ChangeLog b/ChangeLog
index ee1d0dd93..b2ce58e82 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2003-12-23  Alexey Shchepin  <alexey@sevcom.net>
+
+	* src/ejabberd_c2s.erl: Bugfix
+
 2003-12-21  Alexey Shchepin  <alexey@sevcom.net>
 
 	* src/mod_roster.erl: Added workaround for legacy gateways
diff --git a/src/ejabberd_c2s.erl b/src/ejabberd_c2s.erl
index cb886f63d..448ed7705 100644
--- a/src/ejabberd_c2s.erl
+++ b/src/ejabberd_c2s.erl
@@ -1178,7 +1178,7 @@ roster_change(IJID, ISubscription, StateData) ->
 		   remove_element(LIJID, StateData#state.pres_t)
 	   end,
     case StateData#state.pres_last of
-	unknown ->
+	undefined ->
 	    StateData#state{pres_f = FSet, pres_t = TSet};
 	P ->
 	    ?DEBUG("roster changed for ~p~n", [StateData#state.user]),