diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index da8eee2414..9b2930e4d1 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -2875,8 +2875,8 @@ static int mpegts_resync(AVFormatContext *s, int seekback, const uint8_t *curren
     int64_t back = FFMIN(seekback, pos);
 
     //Special case for files like 01c56b0dc1.ts
-    if (current_packet[0] == 0x80 && current_packet[12] == 0x47) {
-        avio_seek(pb, 12 - back, SEEK_CUR);
+    if (current_packet[0] == 0x80 && current_packet[12] == 0x47 && pos >= TS_PACKET_SIZE) {
+        avio_seek(pb, 12 - TS_PACKET_SIZE, SEEK_CUR);
         return 0;
     }