diff --git a/net/addrwatch/Makefile b/net/addrwatch/Makefile
index 8b683eeb35..4dcce9b39f 100644
--- a/net/addrwatch/Makefile
+++ b/net/addrwatch/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=addrwatch
 PKG_VERSION:=0.8
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-master.tar.gz
 PKG_SOURCE_URL:=https://github.com/fln/addrwatch/releases/download/$(PKG_VERSION)/
@@ -42,6 +42,8 @@ define Package/addrwatch/conffiles
 	/etc/config/addrwatch
 endef
 
+TARGET_CFLAGS += -std=gnu89
+
 define Package/addrwatch/install
 	$(INSTALL_DIR) $(1)/usr/sbin $(1)/etc/config $(1)/etc/init.d
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/src/addrwatch $(1)/usr/sbin/