diff --git a/package/kernel/mac80211/Makefile b/package/kernel/mac80211/Makefile
index 5bbb7da5ff7b57d5f3dc2335b9bb7a365395a8ac..e395f810e714a829e0f0a5ecbf48ff2ee56518b0 100644
--- a/package/kernel/mac80211/Makefile
+++ b/package/kernel/mac80211/Makefile
@@ -239,6 +239,10 @@ define KernelPackage/ath9k/config
 		bool "Support chips used in PC OEM cards"
 		depends on PACKAGE_kmod-ath9k
 
+       config ATH9K_TX99
+               bool "Enable TX99 support"
+               depends on PACKAGE_kmod-ath9k
+
 endef
 
 define KernelPackage/ath9k-htc
@@ -1518,6 +1522,7 @@ config-$(CONFIG_TARGET_ar71xx) += ATH9K_AHB
 config-$(CONFIG_PCI) += ATH9K_PCI
 config-$(CONFIG_ATH_USER_REGD) += ATH_USER_REGD
 config-$(CONFIG_ATH9K_SUPPORT_PCOEM) += ATH9K_PCOEM
+config-$(CONFIG_ATH9K_TX99) += ATH9K_TX99
 
 config-$(call config_package,ath9k-htc) += ATH9K_HTC
 config-$(call config_package,ath10k) += ATH10K ATH10K_PCI