diff --git a/src/Handlers/Auth/GuardHandler.php b/src/Handlers/Auth/GuardHandler.php
index 4c547d35..35789291 100644
--- a/src/Handlers/Auth/GuardHandler.php
+++ b/src/Handlers/Auth/GuardHandler.php
@@ -111,7 +111,7 @@ private static function findGuardNameInCallChain(MethodCall $methodCall): ?strin
 
             // auth() or auth('guard') call
             if ($previous_call instanceof FuncCall) {
-                if ($previous_call->name instanceof Name && $previous_call->name->parts[0] === 'auth') {
+                if ($previous_call->name instanceof Name && $previous_call->name->getParts()[0] === 'auth') {
                     $call_contains_guard_name = $previous_call; // exit from while loop
                 }
             }