diff --git a/app/components/sidebars/main/channels_list/list/list.js b/app/components/sidebars/main/channels_list/list/list.js
index c4bd1b4ba..8e9168ca8 100644
--- a/app/components/sidebars/main/channels_list/list/list.js
+++ b/app/components/sidebars/main/channels_list/list/list.js
@@ -431,7 +431,7 @@ export default class List extends PureComponent {
             case CategoryTypes.DIRECT_MESSAGES:
                 return CategoryTypes.DIRECT_MESSAGES.toLowerCase();
             default:
-                return name.replaceAll(' ', '_').toLowerCase();
+                return name.replace(/ /g, '_').toLowerCase();
             }
         };