diff --git a/lorax_templates/scripts/post/enroll-secureboot-key b/lorax_templates/scripts/post/enroll-secureboot-key
index 5fa1402..cca4871 100755
--- a/lorax_templates/scripts/post/enroll-secureboot-key
+++ b/lorax_templates/scripts/post/enroll-secureboot-key
@@ -11,16 +11,16 @@ if [[ ! -d "/sys/firmware/efi" ]]; then
 	exit 0
 fi
 
-if [[ ! -f "${SECUREBOOT_KEY}" ]]; then
-	echo "Secure boot key not provided: ${SECUREBOOT_KEY}"
+if [[ ! -f "\${SECUREBOOT_KEY}" ]]; then
+	echo "Secure boot key not provided: \${SECUREBOOT_KEY}"
 	exit 0
 fi
 
-SYS_ID="$(cat /sys/devices/virtual/dmi/id/product_name)"
-if [[ ":Jupiter:Galileo:" =~ ":$SYS_ID:" ]]; then
+SYS_ID="\$(cat /sys/devices/virtual/dmi/id/product_name)"
+if [[ ":Jupiter:Galileo:" =~ ":\$SYS_ID:" ]]; then
 	echo "Steam Deck hardware detected. Skipping key enrollment."
 	exit 0
 fi
 
 mokutil --timeout -1 || :
-echo -e "${ENROLLMENT_PASSWORD}\n${ENROLLMENT_PASSWORD}" | mokutil --import "${SECUREBOOT_KEY}" || :
+echo -e "\${ENROLLMENT_PASSWORD}\n\${ENROLLMENT_PASSWORD}" | mokutil --import "\${SECUREBOOT_KEY}" || :