diff --git a/package/kernel/mac80211/Makefile b/package/kernel/mac80211/Makefile
index fa1d5de06b..227073dc3b 100644
--- a/package/kernel/mac80211/Makefile
+++ b/package/kernel/mac80211/Makefile
@@ -1601,7 +1601,7 @@ config-$(CONFIG_LEDS_TRIGGERS) += MAC80211_LEDS B43_LEDS B43LEGACY_LEDS
 MAKE_OPTS:= -C "$(PKG_BUILD_DIR)" \
 	CROSS_COMPILE="$(KERNEL_CROSS)" \
 	ARCH="$(LINUX_KARCH)" \
-	EXTRA_CFLAGS="-I$(PKG_BUILD_DIR)/include" \
+	EXTRA_CFLAGS="-I$(PKG_BUILD_DIR)/include $(IREMAP_CFLAGS)" \
 	KLIB_BUILD="$(LINUX_DIR)" \
 	MODPROBE=true \
 	KLIB=$(TARGET_MODULES_DIR) \