diff --git a/batman-adv/Makefile b/batman-adv/Makefile
index 2540f3f..6ad207d 100644
--- a/batman-adv/Makefile
+++ b/batman-adv/Makefile
@@ -4,7 +4,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=batman-adv
 PKG_VERSION:=2020.1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://downloads.open-mesh.org/batman/releases/batman-adv-$(PKG_VERSION)
@@ -69,14 +69,14 @@ NOSTDINC_FLAGS = \
 	-I$(STAGING_DIR)/usr/include/mac80211 \
 	-I$(STAGING_DIR)/usr/include/mac80211/uapi \
 	-I$(PKG_BUILD_DIR)/include/ \
+	-include backport/autoconf.h \
 	-include backport/backport.h \
 	-include $(PKG_BUILD_DIR)/compat-hacks.h \
 	-DBATADV_SOURCE_VERSION=\\\"$(PKG_VERSION)-openwrt-$(PKG_RELEASE)\\\"
 
 define Build/Compile
 	$(MAKE) $(PKG_JOBS) -C "$(LINUX_DIR)" \
-		ARCH="$(LINUX_KARCH)" \
-		CROSS_COMPILE="$(TARGET_CROSS)" \
+		$(KERNEL_MAKE_FLAGS) \
 		M="$(PKG_BUILD_DIR)/net/batman-adv" \
 		$(PKG_EXTRA_KCONFIG) \
 		EXTRA_CFLAGS="$(PKG_EXTRA_CFLAGS)" \