diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index b9dec4fe35..942689c43b 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -394,7 +394,7 @@ static inline int check_marker(GetBitContext *s, const char *msg)
 {
     int bit = get_bits1(s);
     if (!bit)
-        av_log(NULL, AV_LOG_INFO, "Marker bit missing %s\n", msg);
+        av_log(NULL, AV_LOG_INFO, "Marker bit missing at %d of %d %s\n", get_bits_count(s) - 1, s->size_in_bits, msg);
 
     return bit;
 }