diff --git a/src/SlashCommands.js b/src/SlashCommands.js
index d675500f07..00afc1a4ee 100644
--- a/src/SlashCommands.js
+++ b/src/SlashCommands.js
@@ -75,7 +75,7 @@ export const CommandMap = {
         args: '<message>',
         description: _td('Prepends ¯\\_(ツ)_/¯ to a plain-text message'),
         runFn: function(roomId, args) {
-            var message = '¯\\_(ツ)_/¯'
+            let message = '¯\\_(ツ)_/¯'
             if (args) {
                 message = message + ' ' + args
             }