diff --git a/config/kernel/linux-spacemit-edge.config b/config/kernel/linux-spacemit-edge.config
index 76ab4125b..4648e02a6 100644
--- a/config/kernel/linux-spacemit-edge.config
+++ b/config/kernel/linux-spacemit-edge.config
@@ -788,7 +788,7 @@ CONFIG_SERIAL_PXA=y
 CONFIG_SERIAL_PXA_SPACEMIT_K1X=y
 CONFIG_SERIAL_PXA_CONSOLE=y
 CONFIG_SERIAL_DEV_BUS=y
-# CONFIG_HW_RANDOM is not set
+CONFIG_HW_RANDOM=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_ARB_GPIO_CHALLENGE=m
 CONFIG_I2C_MUX_GPIO=m