diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index c6297c3b43..9f81302a3c 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -1468,7 +1468,7 @@ static int mjpeg_decode_com(MJpegDecodeContext *s)
                 // printf("mjpeg: workarounding buggy AVID\n");
             } else if (!strcmp(cbuf, "CS=ITU601"))
                 s->cs_itu601 = 1;
-            else if ((len > 20 && !strncmp(cbuf, "Intel(R) JPEG Library", 21)) ||
+            else if ((len > 31 && !strncmp(cbuf, "Intel(R) JPEG Library, version 1", 32)) ||
                      (len > 19 && !strncmp(cbuf, "Metasoft MJPEG Codec", 20)))
                 s->flipped = 1;