diff --git a/libexif/huawei/exif-mnote-data-huawei.c b/libexif/huawei/exif-mnote-data-huawei.c
index 4c32a6fc5643f6cc29bf62c6436b06542deecf99..af0fa2fadd9c89f04865a8b56dd210e5d5620dfb 100644
--- a/libexif/huawei/exif-mnote-data-huawei.c
+++ b/libexif/huawei/exif-mnote-data-huawei.c
@@ -210,7 +210,7 @@ exif_mnote_data_huawei_save (ExifMnoteData *ne, unsigned char **buf, unsigned in
 	unsigned int malloc_size = sizeof(HUAWEI_HEADER);
 	
 	exif_mnote_data_huawei_malloc_size_data(ne, &malloc_size);
-	if (!malloc_size) {
+	if (malloc_size < HUAWEI_HEADER_OFFSET) {
 		exif_log (ne->log, EXIF_LOG_CODE_CORRUPT_DATA, "ExifMnoteHuawei", "The memory(%d) request failed", malloc_size);
 		return;
 	}