diff --git a/js/ticket_button_respond_note.js b/js/ticket_button_respond_note.js
index bbc2fd0c..3e4ce733 100644
--- a/js/ticket_button_respond_note.js
+++ b/js/ticket_button_respond_note.js
@@ -1,10 +1,10 @@
 // Ticket.php - Changes the wording of the "Respond" button to "Add note" if reply is not a public update (based on checkbox)
 
 // Get Internal/Public Checkbox
-checkbox = document.getElementById('ticket_reply_type_checkbox');
+let checkbox = document.getElementById('ticket_reply_type_checkbox');
 
 // Get Respond button
-respond = document.getElementById('ticket_add_reply');
+let respond = document.getElementById('ticket_add_reply');
 
 // When checkbox is checked/unchecked, update button wording
 checkbox.addEventListener('change', e => {