diff --git a/phpunit/src/CompilerPhaseTest.php b/phpunit/src/CompilerPhaseTest.php
index b767aa61..5aac906c 100644
--- a/phpunit/src/CompilerPhaseTest.php
+++ b/phpunit/src/CompilerPhaseTest.php
@@ -24,7 +24,9 @@ class CompilerPhaseProbe extends CompilerTest
 
     public function probePropertyAccessResolver(): bool
     {
-        return $this->canAccessProtectedProperty('ProbeClass', 'ProbeClass');
+        $method = new ReflectionMethod(\PhpAot\Php\CompilerBase::class, 'createPropertyAccessResolver');
+        $resolver = $method->invoke($this);
+        return $resolver->canAccessProtectedProperty('ProbeClass', 'ProbeClass');
     }
 }
 
diff --git a/src/Php/CompilerBase.php b/src/Php/CompilerBase.php
index f7c5afcb..05595d5f 100644
--- a/src/Php/CompilerBase.php
+++ b/src/Php/CompilerBase.php
@@ -5937,17 +5937,29 @@ class CompilerBase extends \PhpAot\Core\Translator implements PropertyAccessCont
 
     protected function isSameClassName(string $classA, string $classB): bool
     {
-        return $this->createPropertyAccessResolver()->isSameClassName($classA, $classB);
+        return strcasecmp(ltrim($classA, '\\'), ltrim($classB, '\\')) === 0;
     }
 
     protected function isSameOrSubclassOf(string $class, string $parent): bool
     {
-        return $this->createPropertyAccessResolver()->isSameOrSubclassOf($class, $parent);
+        $class = strtolower(ltrim($class, '\\'));
+        $parent = strtolower(ltrim($parent, '\\'));
+        while ($class !== '') {
+            if ($class === $parent) {
+                return true;
+            }
+            $class = $this->getParentClass($class);
+        }
+        return false;
     }
 
     protected function canAccessProtectedProperty(string $scope, string $declaringClass): bool
     {
-        return $this->createPropertyAccessResolver()->canAccessProtectedProperty($scope, $declaringClass);
+        if ($scope === '') {
+            return false;
+        }
+        return $this->isSameOrSubclassOf($scope, $declaringClass)
+            || $this->isSameOrSubclassOf($declaringClass, $scope);
     }
 
     private function resolveNativeInstanceProperty(NodeAbstract $expr, string $property, string $class): ?PropertyAccessResult