diff --git a/src/ProxyManager/ProxyGenerator/Util/PublicScopeSimulator.php b/src/ProxyManager/ProxyGenerator/Util/PublicScopeSimulator.php
index f87750e5d..42421bde3 100644
--- a/src/ProxyManager/ProxyGenerator/Util/PublicScopeSimulator.php
+++ b/src/ProxyManager/ProxyGenerator/Util/PublicScopeSimulator.php
@@ -112,7 +112,7 @@ private static function getTargetObject(?PropertyGenerator $valueHolder = null)
             return '$this->' . $valueHolder->getName();
         }
 
-        return 'unserialize(sprintf(\'O:%d:"%s":0:{}\', strlen(get_parent_class($this)), get_parent_class($this)))';
+        return '$realInstanceReflection->newInstanceWithoutConstructor()';
     }
 
     /**
diff --git a/tests/ProxyManagerTest/ProxyGenerator/Util/PublicScopeSimulatorTest.php b/tests/ProxyManagerTest/ProxyGenerator/Util/PublicScopeSimulatorTest.php
index 94277c5af..cec7106e8 100644
--- a/tests/ProxyManagerTest/ProxyGenerator/Util/PublicScopeSimulatorTest.php
+++ b/tests/ProxyManagerTest/ProxyGenerator/Util/PublicScopeSimulatorTest.php
@@ -40,7 +40,7 @@ public function testSimpleGet() : void
     return;
 }
 
-$targetObject = unserialize(sprintf('O:%d:"%s":0:{}', strlen(get_parent_class($this)), get_parent_class($this)));
+$targetObject = $realInstanceReflection->newInstanceWithoutConstructor();
 $accessor = function & () use ($targetObject, $name) {
     return $targetObject->$foo;
 };
@@ -74,7 +74,7 @@ public function testSimpleSet() : void
     return;
 }
 
-$targetObject = unserialize(sprintf('O:%d:"%s":0:{}', strlen(get_parent_class($this)), get_parent_class($this)));
+$targetObject = $realInstanceReflection->newInstanceWithoutConstructor();
 $accessor = function & () use ($targetObject, $name, $value) {
     return $targetObject->$foo = $baz;
 };
@@ -108,7 +108,7 @@ public function testSimpleIsset() : void
     return;
 }
 
-$targetObject = unserialize(sprintf('O:%d:"%s":0:{}', strlen(get_parent_class($this)), get_parent_class($this)));
+$targetObject = $realInstanceReflection->newInstanceWithoutConstructor();
 $accessor = function () use ($targetObject, $name) {
     return isset($targetObject->$foo);
 };
@@ -142,7 +142,7 @@ public function testSimpleUnset() : void
     return;
 }
 
-$targetObject = unserialize(sprintf('O:%d:"%s":0:{}', strlen(get_parent_class($this)), get_parent_class($this)));
+$targetObject = $realInstanceReflection->newInstanceWithoutConstructor();
 $accessor = function () use ($targetObject, $name) {
     unset($targetObject->$foo);
 };
@@ -241,7 +241,7 @@ public function testWillReturnDirectlyWithNoReturnParam() : void
     return;
 }
 
-$targetObject = unserialize(sprintf('O:%d:"%s":0:{}', strlen(get_parent_class($this)), get_parent_class($this)));
+$targetObject = $realInstanceReflection->newInstanceWithoutConstructor();
 $accessor = function & () use ($targetObject, $name) {
     return $targetObject->$foo;
 };