diff --git a/files/board/arpl/overlayfs/opt/arpl/include/functions.sh b/files/board/arpl/overlayfs/opt/arpl/include/functions.sh
index b1c83ae1..9b7b3d5d 100644
--- a/files/board/arpl/overlayfs/opt/arpl/include/functions.sh
+++ b/files/board/arpl/overlayfs/opt/arpl/include/functions.sh
@@ -146,3 +146,25 @@ function arrayExistItem() {
   done
   return ${EXISTS}
 }
+
+###############################################################################
+# Replace/remove/add values in .conf K=V file
+# 1 - name
+# 2 - new_val
+# 3 - path
+function _set_conf_kv() {
+  # Delete
+  if [ -z "$2" ]; then
+    sed -i "$3" -e "s/^$1=.*$//"
+    return $?;
+  fi
+
+  # Replace
+  if grep -q "^$1=" "$3"; then
+    sed -i "$3" -e "s\"^$1=.*\"$1=\\\"$2\\\"\""
+    return $?
+  fi
+
+  # Add if doesn't exist
+  echo "$1=\"$2\"" >> $3
+}
diff --git a/files/board/arpl/overlayfs/opt/arpl/ramdisk-patch.sh b/files/board/arpl/overlayfs/opt/arpl/ramdisk-patch.sh
index ab46c354..05d950df 100755
--- a/files/board/arpl/overlayfs/opt/arpl/ramdisk-patch.sh
+++ b/files/board/arpl/overlayfs/opt/arpl/ramdisk-patch.sh
@@ -46,7 +46,7 @@ declare -A ADDONS
 
 # Read synoinfo and addons from config
 while IFS="=" read KEY VALUE; do
-  [ -n "${KEY}" ] &&  SYNOINFO["${KEY}"]="${VALUE}"
+  [ -n "${KEY}" ] && SYNOINFO["${KEY}"]="${VALUE}"
 done < <(readConfigMap "synoinfo" "${USER_CONFIG_FILE}")
 while IFS="=" read KEY VALUE; do
   [ -n "${KEY}" ] && ADDONS["${KEY}"]="${VALUE}"
@@ -62,7 +62,7 @@ done < <(readModelArray "${MODEL}" "builds.${BUILD}.patch")
 # Patch /etc/synoinfo.conf
 echo -n "."
 for KEY in ${!SYNOINFO[@]}; do
-  sed -i "s|^${KEY}=.*|${KEY}=\"${SYNOINFO[${KEY}]}\"|" "${RAMDISK_PATH}/etc/synoinfo.conf" >"${LOG_FILE}" 2>&1 || dieLog
+  _set_conf_kv "${KEY}" "${SYNOINFO[${KEY}]}" "${RAMDISK_PATH}/etc/synoinfo.conf" >"${LOG_FILE}" 2>&1 || dieLog
 done
 
 # Patch /sbin/init.post