diff --git a/tests/e2e/Services/Sites/SitesCustomServerTest.php b/tests/e2e/Services/Sites/SitesCustomServerTest.php
index 6ecb35d5a9..e6321bad32 100644
--- a/tests/e2e/Services/Sites/SitesCustomServerTest.php
+++ b/tests/e2e/Services/Sites/SitesCustomServerTest.php
@@ -2243,4 +2243,40 @@ class SitesCustomServerTest extends Scope
 
         $this->cleanupSite($siteId);
     }
+
+    public function testEmptySiteSource(): void
+    {
+        $siteId = $this->setupSite([
+            'siteId' => ID::unique(),
+            'name' => 'Empty source site',
+            'framework' => 'other',
+            'buildRuntime' => 'node-22',
+            'outputDirectory' => './',
+        ]);
+        $this->assertNotEmpty($siteId);
+
+        $site = $this->getSite($siteId);
+        $this->assertEquals('200', $site['headers']['status-code']);
+        $this->assertArrayHasKey('adapter', $site['body']);
+        $this->assertEmpty($site['body']['adapter']);
+
+        $domain = $this->setupSiteDomain($siteId);
+        $this->assertNotEmpty($domain);
+
+        $deploymentId = $this->setupDeployment($siteId, [
+            'code' => $this->packageSite('empty'),
+            'activate' => 'true'
+        ]);
+        $this->assertNotEmpty($deploymentId);
+
+        $site = $this->getSite($siteId);
+        $this->assertEquals('200', $site['headers']['status-code']);
+
+        $proxyClient = new Client();
+        $proxyClient->setEndpoint('http://' . $domain);
+        $response = $proxyClient->call(Client::METHOD_GET, '/');
+        $this->assertEquals(200, $response['headers']['status-code']);
+
+        $this->cleanupSite($siteId);
+    }
 }