1 files changed, 1 insertions, 1 deletions
diff --git a/webapp/components/suggestion/search_user_provider.jsx b/webapp/components/suggestion/search_user_provider.jsx
index 7a5bdabf1..e33c206a7 100644
--- a/webapp/components/suggestion/search_user_provider.jsx
+++ b/webapp/components/suggestion/search_user_provider.jsx
@@ -35,7 +35,7 @@ class SearchUserSuggestion extends Suggestion {
 
 export default class SearchUserProvider {
     handlePretextChanged(suggestionId, pretext) {
-        const captured = (/\bfrom:\s*(\S*)$/i).exec(pretext);
+        const captured = (/\bfrom:\s*(\S*)$/i).exec(pretext.toLowerCase());
         if (captured) {
             const usernamePrefix = captured[1];