diff --git a/Kbuild b/Kbuild
index 8e02563..5e35ebc 100644
--- a/Kbuild
+++ b/Kbuild
@@ -914,6 +914,10 @@
 CDEFINES += -DADRASTEA_RRI_ON_DDR
 endif
 
+ifneq (y,$(filter y,$(CONFIG_CNSS_EOS) $(CONFIG_ICNSS) $(CONFIG_CNSS_ADRASTEA)))
+CDEFINES += -DQCA_WIFI_2_0
+endif
+
 ifeq ($(CONFIG_WLAN_FASTPATH), y)
 CDEFINES +=	-DWLAN_FEATURE_FASTPATH
 endif