diff --git a/Kbuild b/Kbuild
index 48d7405..aea1c37 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2527,6 +2527,9 @@
 #Flag to enable/disable MTRACE feature
 cppflags-$(CONFIG_ENABLE_MTRACE_LOG) += -DENABLE_MTRACE_LOG
 
+#Flag to enable/disable Adaptive 11r feature
+cppflags-$(CONFIG_ADAPTIVE_11R) += -DWLAN_ADAPTIVE_11R
+
 #Flag to enable NUD tracking
 cppflags-$(CONFIG_WLAN_NUD_TRACKING) += -DWLAN_NUD_TRACKING