diff --git a/target/linux/mediatek/mt7986/config-5.4 b/target/linux/mediatek/mt7986/config-5.4
index 1938c80..29e6556 100644
--- a/target/linux/mediatek/mt7986/config-5.4
+++ b/target/linux/mediatek/mt7986/config-5.4
@@ -319,6 +319,7 @@
 CONFIG_NO_HZ_COMMON=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_NR_CPUS=4
+CONFIG_HOTPLUG_CPU=y
 CONFIG_NVMEM=y
 CONFIG_NVMEM_SYSFS=y
 CONFIG_OF=y