diff --git a/Kbuild b/Kbuild
index d59d4fe..a4a2982 100644
--- a/Kbuild
+++ b/Kbuild
@@ -7,6 +7,9 @@
 endif
 
 ifeq ($(CONFIG_CNSS_QCA6290), y)
+	ifeq ($(CONFIG_CNSS_EMULATION), y)
+		CONFIG_QCA_WIFI_NAPIER_EMULATION := y
+	endif
 	CONFIG_LITHIUM := y
 	CONFIG_WLAN_FEATURE_11AX := y
 	CONFIG_WLAN_FEATURE_DFS_OFFLOAD := y
@@ -2405,6 +2408,7 @@
 
 cppflags-$(CONFIG_FEATURE_WLAN_D0WOW) += -DFEATURE_WLAN_D0WOW
 
+cppflags-$(CONFIG_QCA_WIFI_NAPIER_EMULATION) += -DQCA_WIFI_NAPIER_EMULATION
 cppflags-$(CONFIG_SHADOW_V2) += -DCONFIG_SHADOW_V2
 cppflags-$(CONFIG_QCA6290_HEADERS_DEF) += -DQCA6290_HEADERS_DEF
 cppflags-$(CONFIG_QCA_WIFI_QCA6290) += -DQCA_WIFI_QCA6290