diff --git a/Kbuild b/Kbuild
index a58fd370f365..c70b0832cf7e 100644
--- a/Kbuild
+++ b/Kbuild
@@ -1589,6 +1589,7 @@ CDEFINES :=	-DANI_LITTLE_BYTE_ENDIAN \
 		-DWLAN_FEATURE_MBSSID \
 		-DCONFIG_160MHZ_SUPPORT \
 		-DCONFIG_MCL \
+		-DCONFIG_LEGACY_CHAN_ENUM \
 		-DNAPIER_SCAN \
 		-DWLAN_PMO_ENABLE \
 		-DCONVERGED_P2P_ENABLE \