diff --git a/linphone/coreapi/linphonecore.c b/linphone/coreapi/linphonecore.c
index 12b0a5eb8..dc2628938 100644
--- a/linphone/coreapi/linphonecore.c
+++ b/linphone/coreapi/linphonecore.c
@@ -982,7 +982,11 @@ void linphone_core_iterate(LinphoneCore *lc)
 		while((ev=eXosip_event_wait(0,0))!=NULL){
 			linphone_core_process_event(lc,ev);
 		}
-		if (lc->automatic_action==0) eXosip_automatic_action();
+		if (lc->automatic_action==0) {
+			eXosip_lock();
+			eXosip_automatic_action();
+			eXosip_unlock();
+		}
 	}
 	if (lc->call!=NULL){
 		LinphoneCall *call=lc->call;
diff --git a/linphone/gtk-glade/main.c b/linphone/gtk-glade/main.c
index 2875f0009..689a9d5e2 100644
--- a/linphone/gtk-glade/main.c
+++ b/linphone/gtk-glade/main.c
@@ -353,7 +353,7 @@ void linphone_gtk_terminate_call(GtkWidget *button){
 
 void linphone_gtk_decline_call(GtkWidget *button){
 	linphone_core_terminate_call(linphone_gtk_get_core(),NULL);
-	linphone_gtk_call_terminated(gtk_widget_get_toplevel(button));
+	linphone_gtk_call_terminated(linphone_gtk_get_main_window());
 	gtk_widget_destroy(gtk_widget_get_toplevel(button));
 }