diff --git a/multimedia/obs-studio/files/patch-plugins_obs-outputs_flv-mux.c b/multimedia/obs-studio/files/patch-plugins_obs-outputs_flv-mux.c
new file mode 100644
index 000000000000..14375e85281e
--- /dev/null
+++ b/multimedia/obs-studio/files/patch-plugins_obs-outputs_flv-mux.c
@@ -0,0 +1,11 @@
+--- plugins/obs-outputs/flv-mux.c.orig	2024-08-15 21:53:35 UTC
++++ plugins/obs-outputs/flv-mux.c
+@@ -656,7 +656,7 @@ void flv_packet_metadata(enum video_id_t codec_id, uin
+ 	 * The default trackId is 0.
+ 	 */
+ 	if (is_multitrack) {
+-		s_w8(&s, MULTITRACKTYPE_ONE_TRACK | PACKETTYPE_METADATA);
++		s_w8(&s, (uint8_t)MULTITRACKTYPE_ONE_TRACK | (uint8_t)PACKETTYPE_METADATA);
+ 		s_w4cc(&s, codec_id);
+ 		// trackId
+ 		s_w8(&s, (uint8_t)idx);