diff --git a/Kbuild b/Kbuild
index 03b4ac2..3dd5176 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2286,6 +2286,12 @@
 #Set SLUB_MEM_OPTIMIZE
 cppflags-$(CONFIG_SLUB_MEM_OPTIMIZE) += -DSLUB_MEM_OPTIMIZE
 
+#Set DFS_PRI_MULTIPLIER
+cppflags-$(CONFIG_DFS_PRI_MULTIPLIER) += -DDFS_PRI_MULTIPLIER
+
+#Set DFS_OVERRIDE_RF_THRESHOLD
+cppflags-$(CONFIG_DFS_OVERRIDE_RF_THRESHOLD) += -DDFS_OVERRIDE_RF_THRESHOLD
+
 #Enable OL debug and wmi unified functions
 cppflags-$(CONFIG_ATH_PERF_PWR_OFFLOAD) += -DATH_PERF_PWR_OFFLOAD