diff --git a/arch/arm64/configs/rockchip_defconfig b/arch/arm64/configs/rockchip_defconfig
index 2b6ab3ef95d7..6774fd9da073 100644
--- a/arch/arm64/configs/rockchip_defconfig
+++ b/arch/arm64/configs/rockchip_defconfig
@@ -406,6 +406,7 @@ CONFIG_WL_ROCKCHIP=y
 CONFIG_WIFI_BUILD_MODULE=y
 CONFIG_AP6XXX=m
 CONFIG_RTL8723CS=m
+CONFIG_RTL8821CS=m
 CONFIG_RTL8822BS=m
 CONFIG_LTE=y
 CONFIG_LTE_RM310=y