diff --git a/rules-tests/DowngradePhp81/Rector/FunctionLike/DowngradeNewInInitializerRector/Fixture/new_in_array.php.inc b/rules-tests/DowngradePhp81/Rector/FunctionLike/DowngradeNewInInitializerRector/Fixture/new_in_array.php.inc
new file mode 100644
index 00000000000..4ef88699555
--- /dev/null
+++ b/rules-tests/DowngradePhp81/Rector/FunctionLike/DowngradeNewInInitializerRector/Fixture/new_in_array.php.inc
@@ -0,0 +1,34 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp81\Rector\FunctionLike\DowngradeNewInInitializerRector\Fixture;
+
+use stdClass;
+
+class NewInArray
+{
+    public function __construct(public array $property = [
+        'a' => new stdClass()
+    ])
+    {
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp81\Rector\FunctionLike\DowngradeNewInInitializerRector\Fixture;
+
+use stdClass;
+
+class NewInArray
+{
+    public function __construct(public ?array $property = null)
+    {
+        $this->property = $property ?? [
+            'a' => new stdClass()
+        ];
+    }
+}
+
+?>
diff --git a/rules/DowngradePhp80/Rector/Class_/DowngradePropertyPromotionRector.php b/rules/DowngradePhp80/Rector/Class_/DowngradePropertyPromotionRector.php
index 36c1c36d67b..eaea7e66300 100644
--- a/rules/DowngradePhp80/Rector/Class_/DowngradePropertyPromotionRector.php
+++ b/rules/DowngradePhp80/Rector/Class_/DowngradePropertyPromotionRector.php
@@ -6,6 +6,7 @@
 
 use PhpParser\Comment;
 use PhpParser\Node;
+use PhpParser\Node\Expr\New_;
 use PhpParser\Node\Param;
 use PhpParser\Node\Stmt\Class_;
 use PhpParser\Node\Stmt\ClassMethod;
@@ -208,7 +209,11 @@ private function createPropertiesFromParams(array $params): array
             $property->type = $param->type;
             $this->decoratePropertyWithParamDocInfo($param, $property);
 
-            if ($param->default !== null) {
+            $hasNew = $param->default === null
+                ? false
+                : (bool) $this->betterNodeFinder->findFirstInstanceOf($param->default, New_::class);
+
+            if ($param->default !== null && ! $hasNew) {
                 $property->props[0]->default = $param->default;
             }
 
diff --git a/rules/DowngradePhp81/Rector/FunctionLike/DowngradeNewInInitializerRector.php b/rules/DowngradePhp81/Rector/FunctionLike/DowngradeNewInInitializerRector.php
index 5d947c7bed0..600fbd3f06d 100644
--- a/rules/DowngradePhp81/Rector/FunctionLike/DowngradeNewInInitializerRector.php
+++ b/rules/DowngradePhp81/Rector/FunctionLike/DowngradeNewInInitializerRector.php
@@ -6,6 +6,7 @@
 
 use PhpParser\Node;
 use PhpParser\Node\ComplexType;
+use PhpParser\Node\Expr;
 use PhpParser\Node\Expr\ArrowFunction;
 use PhpParser\Node\Expr\Assign;
 use PhpParser\Node\Expr\AssignOp\Coalesce as AssignCoalesce;
@@ -18,6 +19,7 @@
 use PhpParser\Node\IntersectionType;
 use PhpParser\Node\Name;
 use PhpParser\Node\NullableType;
+use PhpParser\Node\Param;
 use PhpParser\Node\Stmt\ClassMethod;
 use PhpParser\Node\Stmt\Expression;
 use PhpParser\Node\Stmt\Return_;
@@ -95,11 +97,7 @@ public function refactor(Node $node): ?FunctionLike
     private function shouldSkip(FunctionLike $functionLike): bool
     {
         foreach ($functionLike->getParams() as $param) {
-            if (! $param->default instanceof New_) {
-                continue;
-            }
-
-            if ($param->type instanceof IntersectionType) {
+            if ($this->isParamSkipped($param)) {
                 continue;
             }
 
@@ -125,27 +123,44 @@ private function convertArrowFunctionToClosure(FunctionLike $functionLike): Func
         );
     }
 
+    private function isParamSkipped(Param $param): bool
+    {
+        if ($param->default === null) {
+            return true;
+        }
+
+        $hasNew = (bool) $this->betterNodeFinder->findFirstInstanceOf($param->default, New_::class);
+        if (! $hasNew) {
+            return true;
+        }
+
+        return $param->type instanceof IntersectionType;
+    }
+
     private function replaceNewInParams(FunctionLike $functionLike): FunctionLike
     {
         $isConstructor = $functionLike instanceof ClassMethod && $this->isName($functionLike, MethodName::CONSTRUCT);
 
         $stmts = [];
         foreach ($functionLike->getParams() as $param) {
-            if (! $param->default instanceof New_) {
+            if ($this->isParamSkipped($param)) {
                 continue;
             }
 
+            /** @var Expr $default */
+            $default = $param->default;
+
             // check for property promotion
             if ($isConstructor && $param->flags > 0) {
                 $propertyFetch = new PropertyFetch(new Variable('this'), $param->var->name);
-                $coalesce = new Coalesce($param->var, $param->default);
+                $coalesce = new Coalesce($param->var, $default);
                 $assign = new Assign($propertyFetch, $coalesce);
 
                 if ($param->type !== null) {
                     $param->type = $this->ensureNullableType($param->type);
                 }
             } else {
-                $assign = new AssignCoalesce($param->var, $param->default);
+                $assign = new AssignCoalesce($param->var, $default);
             }
 
             $stmts[] = new Expression($assign);
diff --git a/tests/Issues/DowngradeNewInArrayInitializerPromotion/DowngradeNewInArrayInitializerPromotionTest.php b/tests/Issues/DowngradeNewInArrayInitializerPromotion/DowngradeNewInArrayInitializerPromotionTest.php
new file mode 100644
index 00000000000..fc19a3d74dc
--- /dev/null
+++ b/tests/Issues/DowngradeNewInArrayInitializerPromotion/DowngradeNewInArrayInitializerPromotionTest.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Core\Tests\Issues\DowngradeNewInArrayInitializerPromotion;
+
+use Iterator;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+use Symplify\SmartFileSystem\SmartFileInfo;
+
+final class DowngradeNewInArrayInitializerPromotionTest extends AbstractRectorTestCase
+{
+    /**
+     * @dataProvider provideData()
+     */
+    public function test(SmartFileInfo $fileInfo): void
+    {
+        $this->doTestFileInfo($fileInfo);
+    }
+
+    /**
+     * @return Iterator<SmartFileInfo>
+     */
+    public function provideData(): Iterator
+    {
+        return $this->yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
diff --git a/tests/Issues/DowngradeNewInArrayInitializerPromotion/Fixture/new_in_array.php.inc b/tests/Issues/DowngradeNewInArrayInitializerPromotion/Fixture/new_in_array.php.inc
new file mode 100644
index 00000000000..2b4ff457aa8
--- /dev/null
+++ b/tests/Issues/DowngradeNewInArrayInitializerPromotion/Fixture/new_in_array.php.inc
@@ -0,0 +1,45 @@
+<?php
+
+namespace Rector\Core\Tests\Issues\DowngradeNewInArrayInitializerPromotion\Fixture;
+
+use stdClass;
+
+class NewInArray
+{
+    /**
+     * @param array<string, object> $property
+     */
+    public function __construct(public array $property = [
+        'a' => new stdClass()
+    ])
+    {
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Core\Tests\Issues\DowngradeNewInArrayInitializerPromotion\Fixture;
+
+use stdClass;
+
+class NewInArray
+{
+    /**
+     * @var array<string, object>
+     */
+    public $property;
+    /**
+     * @param array<string, object> $property
+     */
+    public function __construct(array $property = null)
+    {
+        $property ??= [
+            'a' => new stdClass()
+        ];
+        $this->property = $property;
+    }
+}
+
+?>
diff --git a/tests/Issues/DowngradeNewInArrayInitializerPromotion/config/configured_rule.php b/tests/Issues/DowngradeNewInArrayInitializerPromotion/config/configured_rule.php
new file mode 100644
index 00000000000..7a9fb9bb275
--- /dev/null
+++ b/tests/Issues/DowngradeNewInArrayInitializerPromotion/config/configured_rule.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\DowngradePhp74\Rector\Property\DowngradeTypedPropertyRector;
+use Rector\DowngradePhp80\Rector\Class_\DowngradePropertyPromotionRector;
+use Rector\DowngradePhp81\Rector\FunctionLike\DowngradeNewInInitializerRector;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+
+return static function (ContainerConfigurator $containerConfigurator): void {
+    $services = $containerConfigurator->services();
+    $services->set(DowngradeNewInInitializerRector::class);
+    $services->set(DowngradePropertyPromotionRector::class);
+    $services->set(DowngradeTypedPropertyRector::class);
+};