diff --git a/libs/sysplugins/smarty_internal_runtime_make_nocache.php b/libs/sysplugins/smarty_internal_runtime_make_nocache.php
index 53069148..7994aa04 100644
--- a/libs/sysplugins/smarty_internal_runtime_make_nocache.php
+++ b/libs/sysplugins/smarty_internal_runtime_make_nocache.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Runtime_Make_Nocache
     {
         if (isset($tpl->tpl_vars[ $var ])) {
             $export =
-                preg_replace('/^Smarty_Variable::__set_state[(]|[)]$/', '', var_export($tpl->tpl_vars[ $var ], true));
+                preg_replace('/^\\\\?Smarty_Variable::__set_state[(]|[)]$/', '', var_export($tpl->tpl_vars[ $var ], true));
             if (preg_match('/(\w+)::__set_state/', $export, $match)) {
                 throw new SmartyException("{make_nocache \${$var}} in template '{$tpl->source->name}': variable does contain object '{$match[1]}' not implementing method '__set_state'");
             }
diff --git a/tests/UnitTests/ResourceTests/Stream/StreamResourceTest.php b/tests/UnitTests/ResourceTests/Stream/StreamResourceTest.php
index 57dbd9eb..e5eedcc1 100644
--- a/tests/UnitTests/ResourceTests/Stream/StreamResourceTest.php
+++ b/tests/UnitTests/ResourceTests/Stream/StreamResourceTest.php
@@ -206,6 +206,7 @@ class StreamResourceTest extends PHPUnit_Smarty
     }
 }
 
+#[AllowDynamicProperties]
 class ResourceStream
 {
     private $position;
diff --git a/tests/UnitTests/SecurityTests/SecurityTest.php b/tests/UnitTests/SecurityTests/SecurityTest.php
index e1469a8d..7631a0a6 100644
--- a/tests/UnitTests/SecurityTests/SecurityTest.php
+++ b/tests/UnitTests/SecurityTests/SecurityTest.php
@@ -391,6 +391,7 @@ class Security extends Smarty_Security
 {
 
 }
+#[AllowDynamicProperties]
 class ResourceStreamSecurity
 {
     private $position;
diff --git a/tests/UnitTests/SmartyMethodsTests/RegisterObject/CompileRegisteredObjectFunctionTest.php b/tests/UnitTests/SmartyMethodsTests/RegisterObject/CompileRegisteredObjectFunctionTest.php
index 63a7b52d..eaee1360 100644
--- a/tests/UnitTests/SmartyMethodsTests/RegisterObject/CompileRegisteredObjectFunctionTest.php
+++ b/tests/UnitTests/SmartyMethodsTests/RegisterObject/CompileRegisteredObjectFunctionTest.php
@@ -15,6 +15,11 @@
  */
 class CompileRegisteredObjectFunctionTest extends PHPUnit_Smarty
 {
+    /**
+     * @var RegObject
+     */
+    private $object;
+
     public function setUp(): void
     {
         $this->setUpSmarty(__DIR__);