diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index f2a760b4c..267fb5757 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -3476,7 +3476,8 @@ void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
 **/
 void linphone_core_stop_dtmf(LinphoneCore *lc){
 	MSFilter *f=get_dtmf_gen(lc);
-	ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
+	if (f!=NULL)
+		ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
 }
 
 
diff --git a/pixmaps/Makefile.am b/pixmaps/Makefile.am
index b462cf8e7..087e6fcd4 100644
--- a/pixmaps/Makefile.am
+++ b/pixmaps/Makefile.am
@@ -12,6 +12,6 @@ status-orange.png \
 status-red.png \
 status-offline.png \
 contact-orange.png dialer-orange.png history-orange.png\
-startcall-green.png stopcall-red.png 
+startcall-green.png stopcall-red.png addcall-green.png
 
 EXTRA_DIST=$(pixmap_DATA)