diff --git a/files/initrd/opt/arc/ramdisk-patch.sh b/files/initrd/opt/arc/ramdisk-patch.sh
index 510e5b33..806514e1 100755
--- a/files/initrd/opt/arc/ramdisk-patch.sh
+++ b/files/initrd/opt/arc/ramdisk-patch.sh
@@ -166,10 +166,10 @@ chmod +x "${RAMDISK_PATH}/addons/addons.sh"
 for ADDON in "redpill" "revert" "misc" "eudev" "disks" "localrss" "notify" "updatenotify" "wol" "mountloader" "cpufreqscaling"; do
   PARAMS=""
   if [ "${ADDON}" == "disks" ]; then
-    PARAMS=${HDDSORT}
+    PARAMS=${HDDSORT:-"false"}
     [ -f "${USER_UP_PATH}/${MODEL}.dts" ] && cp -f "${USER_UP_PATH}/${MODEL}.dts" "${RAMDISK_PATH}/addons/model.dts"
   elif [ "${ADDON}" == "cpufreqscaling" ]; then
-    PARAMS=${CPUGOVERNOR}
+    PARAMS=${CPUGOVERNOR:-"performance"}
   fi
   installAddon "${ADDON}" "${PLATFORM}" || exit 1
   echo "/addons/${ADDON}.sh \${1} ${PARAMS}" >>"${RAMDISK_PATH}/addons/addons.sh" 2>>"${LOG_FILE}" || exit 1