diff --git a/src/Symfony/Component/AssetMapper/ImportMap/ImportMapRenderer.php b/src/Symfony/Component/AssetMapper/ImportMap/ImportMapRenderer.php
index e3ce84da76c13..ca5fe2e6b2888 100644
--- a/src/Symfony/Component/AssetMapper/ImportMap/ImportMapRenderer.php
+++ b/src/Symfony/Component/AssetMapper/ImportMap/ImportMapRenderer.php
@@ -163,7 +163,7 @@ private function createAttributesString(array $attributes): string
 
     private function addWebLinkPreloads(Request $request, array $cssLinks): void
     {
-        $cssPreloadLinks = array_map(fn ($url) => new Link('preload', $url), $cssLinks);
+        $cssPreloadLinks = array_map(fn ($url) => (new Link('preload', $url))->withAttribute('as', 'style'), $cssLinks);
 
         if (null === $linkProvider = $request->attributes->get('_links')) {
             $request->attributes->set('_links', new GenericLinkProvider($cssPreloadLinks));
diff --git a/src/Symfony/Component/AssetMapper/Tests/ImportMap/ImportMapRendererTest.php b/src/Symfony/Component/AssetMapper/Tests/ImportMap/ImportMapRendererTest.php
index e14718db13e85..3d729d8c8caf7 100644
--- a/src/Symfony/Component/AssetMapper/Tests/ImportMap/ImportMapRendererTest.php
+++ b/src/Symfony/Component/AssetMapper/Tests/ImportMap/ImportMapRendererTest.php
@@ -195,6 +195,7 @@ public function testItAddsPreloadLinks()
         $this->assertInstanceOf(GenericLinkProvider::class, $linkProvider);
         $this->assertCount(1, $linkProvider->getLinks());
         $this->assertSame(['preload'], $linkProvider->getLinks()[0]->getRels());
+        $this->assertSame(['as' => 'style'], $linkProvider->getLinks()[0]->getAttributes());
         $this->assertSame('/assets/styles/app-preload-d1g35t.css', $linkProvider->getLinks()[0]->getHref());
     }
 }