diff --git a/coreapi/chat.c b/coreapi/chat.c
index bcd16bd14..d26efcf85 100644
--- a/coreapi/chat.c
+++ b/coreapi/chat.c
@@ -341,7 +341,7 @@ LinphoneChatRoom * linphone_core_get_chat_room_from_uri(LinphoneCore *lc, const
 
 static void linphone_chat_room_delete_composing_idle_timer(LinphoneChatRoom *cr) {
 	if (cr->composing_idle_timer) {
-		if(cr->lc->sal)
+		if(cr-> lc && cr->lc->sal)
 			sal_cancel_timer(cr->lc->sal, cr->composing_idle_timer);
 		belle_sip_object_unref(cr->composing_idle_timer);
 		cr->composing_idle_timer = NULL;
@@ -350,7 +350,7 @@ static void linphone_chat_room_delete_composing_idle_timer(LinphoneChatRoom *cr)
 
 static void linphone_chat_room_delete_composing_refresh_timer(LinphoneChatRoom *cr) {
 	if (cr->composing_refresh_timer) {
-		if(cr->lc->sal)
+		if(cr->lc && cr->lc->sal)
 			sal_cancel_timer(cr->lc->sal, cr->composing_refresh_timer);
 		belle_sip_object_unref(cr->composing_refresh_timer);
 		cr->composing_refresh_timer = NULL;
@@ -359,7 +359,7 @@ static void linphone_chat_room_delete_composing_refresh_timer(LinphoneChatRoom *
 
 static void linphone_chat_room_delete_remote_composing_refresh_timer(LinphoneChatRoom *cr) {
 	if (cr->remote_composing_refresh_timer) {
-		if(cr->lc->sal)
+		if(cr->lc && cr->lc->sal)
 			sal_cancel_timer(cr->lc->sal, cr->remote_composing_refresh_timer);
 		belle_sip_object_unref(cr->remote_composing_refresh_timer);
 		cr->remote_composing_refresh_timer = NULL;