diff --git a/src/mod/applications/mod_conference/mod_conference.c b/src/mod/applications/mod_conference/mod_conference.c
index 7018294546..b9364ff24a 100644
--- a/src/mod/applications/mod_conference/mod_conference.c
+++ b/src/mod/applications/mod_conference/mod_conference.c
@@ -1330,6 +1330,7 @@ static void *SWITCH_THREAD_FUNC conference_thread_run(switch_thread_t *thread, v
 				switch_mutex_unlock(omember->audio_out_mutex);
 
 				if (!ok) {
+					switch_mutex_unlock(conference->mutex);
 					goto end;
 				}
 			}