diff --git a/Kbuild b/Kbuild
index 57167e2..6d24af4 100644
--- a/Kbuild
+++ b/Kbuild
@@ -3241,6 +3241,8 @@
 
 cppflags-$(CONFIG_RX_DEFRAG_DO_NOT_REINJECT) += -DRX_DEFRAG_DO_NOT_REINJECT
 
+cppflags-$(CONFIG_HANDLE_BC_EAP_TX_FRM) += -DHANDLE_BROADCAST_EAPOL_TX_FRAME
+
 cppflags-$(CONFIG_MORE_TX_DESC) += -DTX_TO_NPEERS_INC_TX_DESCS
 
 ccflags-$(CONFIG_HASTINGS_BT_WAR) += -DHASTINGS_BT_WAR