diff --git a/files/initrd/opt/rr/menu.sh b/files/initrd/opt/rr/menu.sh
index eca59acf..848482c1 100755
--- a/files/initrd/opt/rr/menu.sh
+++ b/files/initrd/opt/rr/menu.sh
@@ -2761,8 +2761,7 @@ function updateRR() {
   fi
   # Check conditions
   if [ -f "${TMP_PATH}/update/update-check.sh" ]; then
-    chmod +x "${TMP_PATH}/update/update-check.sh"
-    ${TMP_PATH}/update/update-check.sh
+    cat "${TMP_PATH}/update/update-check.sh" | bash
     if [ $? -ne 0 ]; then
       MSG="$(TEXT "The current version does not support upgrading to the latest update.zip. Please remake the bootloader disk!")"
       if [ "${2}" = "-1" ]; then