diff --git a/ext/ffmpeg/gstffmpegmux.c b/ext/ffmpeg/gstffmpegmux.c
index bedda87513..91138f0a6f 100644
--- a/ext/ffmpeg/gstffmpegmux.c
+++ b/ext/ffmpeg/gstffmpegmux.c
@@ -903,7 +903,9 @@ gst_ffmpegmux_register (GstPlugin * plugin)
         (!strncmp (in_plugin->name, "alaw", 4)) ||
         (!strncmp (in_plugin->name, "h26", 3)) ||
         (!strncmp (in_plugin->name, "rtp", 3)) ||
-        (!strncmp (in_plugin->name, "ass", 3))
+        (!strncmp (in_plugin->name, "ass", 3)) ||
+        (!strncmp (in_plugin->name, "ffmetadata", 10)) ||
+        (!strncmp (in_plugin->name, "srt", 3))
         ) {
       GST_LOG ("Ignoring muxer %s", in_plugin->name);
       goto next;