diff --git a/target/linux/mediatek/mt7622/config-4.14 b/target/linux/mediatek/mt7622/config-4.14
index c06c70359d..5d43b224f4 100644
--- a/target/linux/mediatek/mt7622/config-4.14
+++ b/target/linux/mediatek/mt7622/config-4.14
@@ -418,7 +418,7 @@ CONFIG_SPI=y
 CONFIG_SPI_MASTER=y
 CONFIG_SPI_MT65XX=y
 CONFIG_SRCU=y
-# CONFIG_SWAP is not set
+CONFIG_SWAP=y
 CONFIG_SWIOTLB=y
 CONFIG_SWPHY=y
 CONFIG_SYSCTL_EXCEPTION_TRACE=y