diff --git a/Kbuild b/Kbuild
index bf970b3..d048228 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2306,6 +2306,7 @@
 
 cppflags-$(CONFIG_WLAN_SYNC_TSF_PTP) += -DWLAN_FEATURE_TSF_PTP
 cppflags-$(CONFIG_WLAN_SYNC_TSF_PLUS_EXT_GPIO_IRQ) += -DWLAN_FEATURE_TSF_PLUS_EXT_GPIO_IRQ
+cppflags-$(CONFIG_WLAN_SYNC_TSF_PLUS_EXT_GPIO_SYNC) += -DWLAN_FEATURE_TSF_PLUS_EXT_GPIO_SYNC
 cppflags-$(CONFIG_TX_DESC_HI_PRIO_RESERVE) += -DCONFIG_TX_DESC_HI_PRIO_RESERVE
 
 #Enable FW logs through ini