diff --git a/target/linux/ar71xx/mikrotik/config-default b/target/linux/ar71xx/mikrotik/config-default
index 0c64d316bf..a6fbb5229a 100644
--- a/target/linux/ar71xx/mikrotik/config-default
+++ b/target/linux/ar71xx/mikrotik/config-default
@@ -86,6 +86,7 @@ CONFIG_ATH79_ROUTERBOOT=y
 CONFIG_CMDLINE="rootfstype=yaffs noinitrd"
 # CONFIG_JFFS2_FS is not set
 CONFIG_LEDS_RB750=y
+CONFIG_M25PXX_PREFER_SMALL_SECTOR_ERASE=y
 CONFIG_MDIO_BITBANG=y
 CONFIG_MDIO_GPIO=y
 # CONFIG_MTD_CFI is not set