diff --git a/doc/examples/encode_video.c b/doc/examples/encode_video.c
index 6731b2ad19..d9ab409908 100644
--- a/doc/examples/encode_video.c
+++ b/doc/examples/encode_video.c
@@ -186,7 +186,8 @@ int main(int argc, char **argv)
     encode(c, NULL, pkt, f);
 
     /* add sequence end code to have a real MPEG file */
-    fwrite(endcode, 1, sizeof(endcode), f);
+    if (codec->id == AV_CODEC_ID_MPEG1VIDEO || codec->id == AV_CODEC_ID_MPEG2VIDEO)
+        fwrite(endcode, 1, sizeof(endcode), f);
     fclose(f);
 
     avcodec_free_context(&c);