diff --git a/libexif/huawei/exif-mnote-data-huawei.c b/libexif/huawei/exif-mnote-data-huawei.c
index 39617e0b1bf407c8734ea33df148adf2ec7fa5db..9651b2321db1d4abe7efe4776ba591b336b7cb0d 100644
--- a/libexif/huawei/exif-mnote-data-huawei.c
+++ b/libexif/huawei/exif-mnote-data-huawei.c
@@ -208,7 +208,7 @@ 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 < 8) {
 		exif_log (ne->log, EXIF_LOG_CODE_CORRUPT_DATA, "ExifMnoteHuawei", "The memory(%d) request failed", malloc_size);
 		return;
 	}