diff --git a/libraries/classes/CheckUserPrivileges.php b/libraries/classes/CheckUserPrivileges.php
index f88aec2902..4eb238269f 100644
--- a/libraries/classes/CheckUserPrivileges.php
+++ b/libraries/classes/CheckUserPrivileges.php
@@ -291,7 +291,7 @@ class CheckUserPrivileges
         $username = '';
 
         $current = $this->dbi->getCurrentUserAndHost();
-        if (! empty($current)) {
+        if ($current !== []) {
             [$username] = $current;
         }