diff --git a/libavcodec/mpegaudiodec_template.c b/libavcodec/mpegaudiodec_template.c
index a28cac9867..a711154a3c 100644
--- a/libavcodec/mpegaudiodec_template.c
+++ b/libavcodec/mpegaudiodec_template.c
@@ -374,7 +374,7 @@ static int handle_crc(MPADecodeContext *s, int sec_len)
         crc_val = av_crc(crc_tab, crc_val, &buf[6], sec_byte_len);
 
         AV_WB32(tmp_buf,
-                ((buf[6 + sec_byte_len] & (0xFF00 >> sec_rem_bits)) << 24) +
+                ((buf[6 + sec_byte_len] & (0xFF00U >> sec_rem_bits)) << 24) +
                 ((s->crc << 16) >> sec_rem_bits));
 
         crc_val = av_crc(crc_tab, crc_val, tmp_buf, 3);