diff --git a/target/linux/mediatek/mt7622/config-5.15 b/target/linux/mediatek/mt7622/config-5.15
index b08b01ec408..978994abbc9 100644
--- a/target/linux/mediatek/mt7622/config-5.15
+++ b/target/linux/mediatek/mt7622/config-5.15
@@ -255,6 +255,7 @@ CONFIG_MTD_PARSER_TRX=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_MTD_SPI_NAND=y
 CONFIG_MTD_SPI_NOR=y
+CONFIG_MTD_SPI_NOR_USE_VARIABLE_ERASE=y
 CONFIG_MTD_SPLIT_FIRMWARE=y
 CONFIG_MTD_SPLIT_FIT_FW=y
 CONFIG_MTD_UBI=y