diff --git a/libavcodec/h264_sei.c b/libavcodec/h264_sei.c
index 8b07682c7e..361d4deb1a 100644
--- a/libavcodec/h264_sei.c
+++ b/libavcodec/h264_sei.c
@@ -169,6 +169,12 @@ static int decode_registered_user_data_closed_caption(H264Context *h, int size)
                 skip_bits(&h->gb, 8);   // marker_bits
             }
         }
+    } else {
+        int i;
+        avpriv_request_sample("Subtitles with data type 0x%02x",
+                              user_data_type_code);
+        for (i = 0; i < size - 1; i++)
+            skip_bits(&h->gb, 8);
     }
 
     return 0;