diff --git a/conf/machine/keystone-evm.conf b/conf/machine/keystone-evm.conf
index c878d522..088e524a 100644
--- a/conf/machine/keystone-evm.conf
+++ b/conf/machine/keystone-evm.conf
@@ -15,9 +15,8 @@ SYSVINIT_ENABLED_GETTYS = ""
 # UBI: smallest flash I/O unit:    2048
 # UBI: logical eraseblock size:    126976 bytes
 # from ubiattach stdout:
-# UBI device number 0, total 857 LEBs
-# MKUBIFS_ARGS = "-m 2048 -e 129024 -c 857"
-MKUBIFS_ARGS = "-F -m 2048 -e 126976 -c 857"
+# UBI device number 0, total 3856 LEBs
+MKUBIFS_ARGS = "-F -m 2048 -e 126976 -c 3856"
 
 # do ubiattach /dev/ubi_ctrl -m 4
 # from dmesg: