diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index cbb6624d4..a4903ed1a 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -2713,6 +2713,8 @@ static void handle_ice_events(LinphoneCall *call, OrtpEvent *ev){
 	}
 }
 
+
+/*do not change the prototype of this function, it is also used internally in linphone-daemon.*/
 void linphone_call_stats_fill(LinphoneCallStats *stats, MediaStream *ms, OrtpEvent *ev){
 	OrtpEventType evt=ortp_event_get_type(ev);
 	OrtpEventData *evd=ortp_event_get_data(ev);
diff --git a/coreapi/private.h b/coreapi/private.h
index fa19c431e..ee980edf4 100644
--- a/coreapi/private.h
+++ b/coreapi/private.h
@@ -329,6 +329,7 @@ const struct addrinfo *linphone_core_get_stun_server_addrinfo(LinphoneCore *lc);
 void linphone_core_adapt_to_network(LinphoneCore *lc, int ping_time_ms, LinphoneCallParams *params);
 int linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call);
 void linphone_core_update_ice_state_in_call_stats(LinphoneCall *call);
+void linphone_call_stats_fill(LinphoneCallStats *stats, MediaStream *ms, OrtpEvent *ev);
 void linphone_core_update_local_media_description_from_ice(SalMediaDescription *desc, IceSession *session);
 void linphone_core_update_ice_from_remote_media_description(LinphoneCall *call, const SalMediaDescription *md);
 bool_t linphone_core_media_description_contains_video_stream(const SalMediaDescription *md);