diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index 6a2b0fdd53..8635d4781a 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -1637,6 +1637,9 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *got_frame_ptr,
     uint32_t header;
     int out_size;
 
+    while(buf_size && !*buf)
+        buf++;
+
     if (buf_size < HEADER_SIZE)
         return AVERROR_INVALIDDATA;