diff --git a/framework/core/src/Core/Search/Discussion/Gambit/AuthorGambit.php b/framework/core/src/Core/Search/Discussion/Gambit/AuthorGambit.php
index 62e399cd3..830f033c1 100644
--- a/framework/core/src/Core/Search/Discussion/Gambit/AuthorGambit.php
+++ b/framework/core/src/Core/Search/Discussion/Gambit/AuthorGambit.php
@@ -49,7 +49,7 @@ class AuthorGambit extends AbstractRegexGambit
         $usernames = explode(',', $usernames);
 
         $ids = [];
-        foreach($usernames as $username) {
+        foreach ($usernames as $username) {
             $ids[] = $this->users->getIdForUsername($username);
         }