diff --git a/target/linux/ar71xx/mikrotik/config-default b/target/linux/ar71xx/mikrotik/config-default
index e333166e93..42f9882bb2 100644
--- a/target/linux/ar71xx/mikrotik/config-default
+++ b/target/linux/ar71xx/mikrotik/config-default
@@ -231,6 +231,7 @@ CONFIG_MTD_NAND_RB4XX=y
 CONFIG_MTD_NAND_RB750=y
 CONFIG_MTD_NAND_RB91X=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_SPI_NOR_USE_4K_SECTORS=y
 # CONFIG_MTD_SPLIT_EVA_FW is not set
 # CONFIG_MTD_SPLIT_TPLINK_FW is not set
 # CONFIG_MTD_TPLINK_PARTS is not set