diff --git a/en29lv640b.c b/en29lv640b.c
index 8a8d6411b..4d938442d 100644
--- a/en29lv640b.c
+++ b/en29lv640b.c
@@ -26,7 +26,7 @@
  * functions.
  */
 
-/* chunksize is 1 */
+/* chunksize is 2 */
 int write_en29lv640b(struct flashctx *flash, const uint8_t *src, unsigned int start, unsigned int len)
 {
 	unsigned int i;