diff --git a/public/scripts/slash-commands.js b/public/scripts/slash-commands.js
index fab878e7a..66555216c 100644
--- a/public/scripts/slash-commands.js
+++ b/public/scripts/slash-commands.js
@@ -2138,7 +2138,7 @@ export function initDefaultSlashCommands() {
             if (!pattern) {
                 throw new Error('Argument of \'pattern=\' cannot be empty');
             }
-            let re = regexFromString(pattern.toString());
+            const re = regexFromString(pattern.toString());
             if (!re) {
                 throw new Error('The value of \'pattern\' argument is not a valid regular expression.');
             }