From d5c599c962cadc13acb206b932a8e3a74fc46025 Mon Sep 17 00:00:00 2001
From: Ondrej Mirtes <ondrej@mirtes.cz>
Date: Tue, 17 Oct 2023 17:29:34 +0200
Subject: [PATCH] Fix subclass acceptability when class alias is involved on
 "ours" side

---
 src/Type/ObjectType.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Type/ObjectType.php b/src/Type/ObjectType.php
index 7f18546d3e..1fd2236087 100644
--- a/src/Type/ObjectType.php
+++ b/src/Type/ObjectType.php
@@ -456,12 +456,12 @@ private function checkSubclassAcceptability(string $thatClass): AcceptsResult
 
 		if ($thisReflection->isInterface() && $thatReflection->isInterface()) {
 			return AcceptsResult::createFromBoolean(
-				$thatReflection->implementsInterface($this->className),
+				$thatReflection->implementsInterface($thisReflection->getName()),
 			);
 		}
 
 		return AcceptsResult::createFromBoolean(
-			$thatReflection->isSubclassOf($this->className),
+			$thatReflection->isSubclassOf($thisReflection->getName()),
 		);
 	}