diff --git a/configs/default_defconfig b/configs/default_defconfig
index ed964448b07f..e8d50809c69f 100644
--- a/configs/default_defconfig
+++ b/configs/default_defconfig
@@ -620,6 +620,9 @@ ifeq ($(CONFIG_HELIUMPLUS), y)
 CONFIG_WLAN_CUSTOM_DSCP_UP_MAP := y
 CONFIG_WLAN_SEND_DSCP_UP_MAP_TO_FW := y
 endif
+ifeq ($(CONFIG_LITHIUM), y)
+CONFIG_WLAN_CUSTOM_DSCP_UP_MAP := y
+endif
 
 ifeq ($(CONFIG_ROME_IF), sdio)
 CONFIG_PKTLOG_LEGACY := y