diff --git a/src/Analyser/NodeScopeResolver.php b/src/Analyser/NodeScopeResolver.php
index 1b447b8abc..c6980cfacb 100644
--- a/src/Analyser/NodeScopeResolver.php
+++ b/src/Analyser/NodeScopeResolver.php
@@ -4422,11 +4422,19 @@ private function processCalledMethod(MethodReflection $methodReflection): ?Metho
 		$parserNodes = $this->parser->parseFile($fileName);
 
 		$returnStatement = null;
-		$this->processNodesForCalledMethod($parserNodes, $fileName, $methodReflection, static function (Node $node) use (&$returnStatement): void {
+		$this->processNodesForCalledMethod($parserNodes, $fileName, $methodReflection, static function (Node $node, Scope $scope) use ($methodReflection, &$returnStatement): void {
 			if (!$node instanceof MethodReturnStatementsNode) {
 				return;
 			}
 
+			if (!$scope->isInClass()) {
+				return;
+			}
+
+			if ($scope->getClassReflection()->getName() !== $methodReflection->getDeclaringClass()->getName()) {
+				return;
+			}
+
 			if ($returnStatement !== null) {
 				return;
 			}
diff --git a/tests/PHPStan/Rules/Properties/data/uninitialized-property.php b/tests/PHPStan/Rules/Properties/data/uninitialized-property.php
index 37713db980..e3fa2865e1 100644
--- a/tests/PHPStan/Rules/Properties/data/uninitialized-property.php
+++ b/tests/PHPStan/Rules/Properties/data/uninitialized-property.php
@@ -304,3 +304,31 @@ public function doSomething()
 	}
 
 }
+
+class ConfuseNodeScopeResolverWithAnonymousClass
+{
+
+	private int $foo;
+
+	public function __construct()
+	{
+		$this->setFoo();
+		$this->doSomething();
+	}
+
+	private function setFoo()
+	{
+		$c = new class () {
+			public function setFoo()
+			{
+			}
+		};
+		$this->foo = 1;
+	}
+
+	public function doSomething()
+	{
+		echo $this->foo;
+	}
+
+}