diff --git a/components/suggestion/menu_action_provider.jsx b/components/suggestion/menu_action_provider.jsx
index b739b118707b..9050180e8f1d 100644
--- a/components/suggestion/menu_action_provider.jsx
+++ b/components/suggestion/menu_action_provider.jsx
@@ -60,7 +60,7 @@ export default class MenuActionProvider extends Provider {
     }
 
     async filterOptions(prefix, resultsCallback) {
-        const filteredOptions = this.options.filter((option) => option.text.toLowerCase().indexOf(prefix) >= 0);
+        const filteredOptions = this.options.filter((option) => option.text.toLowerCase().indexOf(prefix.toLowerCase()) >= 0);
         const terms = filteredOptions.map((option) => option.text);
 
         resultsCallback({