diff --git a/Kbuild b/Kbuild
index fb2095d..29013de 100644
--- a/Kbuild
+++ b/Kbuild
@@ -8,6 +8,7 @@
 
 ifeq ($(CONFIG_CNSS_QCA6290), y)
 	CONFIG_LITHIUM := y
+	CONFIG_WLAN_FEATURE_11AX := y
 endif
 
 ifeq ($(CONFIG_CLD_HL_SDIO_CORE), y)
@@ -1932,6 +1933,10 @@
 CDEFINES += -DTX_PER_PDEV_DESC_POOL
 endif
 
+ifeq ($(CONFIG_WLAN_FEATURE_11AX),y)
+CDEFINES += -DWLAN_FEATURE_11AX
+endif
+
 # Dummy flag for WIN/MCL converged data path compilation
 CDEFINES += -DDP_PRINT_ENABLE=0
 CDEFINES += -DATH_SUPPORT_WRAP=0