diff --git a/package/boot/uboot-envtools/Makefile b/package/boot/uboot-envtools/Makefile
index f880698e9c..1c6b789716 100644
--- a/package/boot/uboot-envtools/Makefile
+++ b/package/boot/uboot-envtools/Makefile
@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=uboot-envtools
 PKG_DISTNAME:=u-boot
 PKG_VERSION:=2019.07
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE:=$(PKG_DISTNAME)-$(PKG_VERSION).tar.xz
diff --git a/package/boot/uboot-envtools/files/uboot-envtools.sh b/package/boot/uboot-envtools/files/uboot-envtools.sh
index e21b283677..9218bc4e39 100644
--- a/package/boot/uboot-envtools/files/uboot-envtools.sh
+++ b/package/boot/uboot-envtools/files/uboot-envtools.sh
@@ -31,6 +31,6 @@ ubootenv_add_app_config() {
 	config_get envsize "$1" envsize
 	config_get secsize "$1" secsize
 	config_get numsec "$1" numsec
-	echo "$dev $offset $envsize $secsize $numsec" >>/etc/fw_env.config
+	grep -q "^[[:space:]]*${dev}[[:space:]]*${offset}" /etc/fw_env.config || echo "$dev $offset $envsize $secsize $numsec" >>/etc/fw_env.config
 }