diff --git a/drivers/net/wireless/rockchip_wlan/rtl8723bs/Makefile b/drivers/net/wireless/rockchip_wlan/rtl8723bs/Makefile
index 0ff707fd37eb..fe9d5638a128 100644
--- a/drivers/net/wireless/rockchip_wlan/rtl8723bs/Makefile
+++ b/drivers/net/wireless/rockchip_wlan/rtl8723bs/Makefile
@@ -153,7 +153,7 @@ CONFIG_PLATFORM_RTL8197D = n
 
 CONFIG_DRVEXT_MODULE = n
 
-export TopDIR ?= $(shell pwd)/drivers/net/wireless/rockchip_wlan/rtl8723bs
+export TopDIR ?= $(src)
 
 ########### COMMON  #################################
 ifeq ($(CONFIG_GSPI_HCI), y)