1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/gxfenc.c b/libavformat/gxfenc.c
index 79951b59af..0e0772b744 100644
--- a/libavformat/gxfenc.c
+++ b/libavformat/gxfenc.c
@@ -709,7 +709,7 @@ static int gxf_write_header(AVFormatContext *s)
     int ret;
     AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
 
-    if (!pb->seekable) {
+    if (!(pb->seekable & AVIO_SEEKABLE_NORMAL)) {
         av_log(s, AV_LOG_ERROR, "gxf muxer does not support streamed output, patch welcome\n");
         return -1;
     }