diff --git a/plugins/janus_streaming.c b/plugins/janus_streaming.c
index 2e36f3d6ba..0069d767ce 100644
--- a/plugins/janus_streaming.c
+++ b/plugins/janus_streaming.c
@@ -6127,10 +6127,13 @@ static void *janus_streaming_relay_thread(void *data) {
 				}
 				source->video_rtcp_fd = -1;
 				/* Now let's try to reconnect */
+				janus_mutex_lock(&mountpoints_mutex);
 				if(janus_streaming_rtsp_connect_to_server(mountpoint) < 0) {
 					/* Reconnection failed? Let's try again later */
 					JANUS_LOG(LOG_WARN, "[%s] Reconnection of the RTSP stream failed, trying again in a few seconds...\n", name);
+					janus_mutex_unlock(&mountpoints_mutex);
 				} else {
+					janus_mutex_unlock(&mountpoints_mutex);
 					/* We're connected, let's send a PLAY */
 					if(janus_streaming_rtsp_play(source) < 0) {
 						/* Error trying to play? Let's try again later */