diff --git a/Kbuild b/Kbuild
index 438335d..a7d0f57 100644
--- a/Kbuild
+++ b/Kbuild
@@ -573,7 +573,8 @@
                 -DWLAN_FEATURE_EXTSCAN \
                 -DFEATURE_EXT_LL_STAT \
                 -DWLAN_VOWIFI_DEBUG \
-		-DDHCP_SERVER_OFFLOAD
+		-DDHCP_SERVER_OFFLOAD \
+		-DWLAN_FEATURE_TSF
 
 ifneq ($(CONFIG_PRONTO_WLAN),)
 CDEFINES += -DWCN_PRONTO