diff --git a/cmd/zip.c b/cmd/zip.c
index d105d84e380..9cd400a7e80 100644
--- a/cmd/zip.c
+++ b/cmd/zip.c
@@ -28,7 +28,7 @@ static int do_zip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	if (gzip((void *) dst, &dst_len, (void *) src, src_len) != 0)
 		return 1;
 
-	printf("Compressed size: %ld = 0x%lX\n", dst_len, dst_len);
+	printf("Compressed size: %lu = 0x%lX\n", dst_len, dst_len);
 	env_set_hex("filesize", dst_len);
 
 	return 0;