diff --git a/server.php b/server.php
index 84a07f7..6cc6257 100644
--- a/server.php
+++ b/server.php
@@ -26,7 +26,7 @@
 if (Server::hostIsIpAddress($_SERVER['HTTP_HOST'])) {
     $uriForIpAddressExtraction = ltrim($_SERVER['REQUEST_URI'], '/');
 
-    if ($host = Server::valetSiteFromIpAddressUri($uriForIpAddressExtraction, $valetConfig['tld'])) {
+    if ($host = Server::valetSiteFromIpAddressUri($uriForIpAddressExtraction, $valetConfig['domain'])) {
         $_SERVER['HTTP_HOST'] = $host;
         $_SERVER['REQUEST_URI'] = str_replace($host, '', $uriForIpAddressExtraction);
     }
diff --git a/tests/Unit/ServerTest.php b/tests/Unit/ServerTest.php
index 4425260..1e241dc 100644
--- a/tests/Unit/ServerTest.php
+++ b/tests/Unit/ServerTest.php
@@ -95,4 +95,30 @@ public function it_does_not_treat_a_sibling_prefix_dir_as_inside(): void
             @rmdir($sibling);
         }
     }
+
+    /**
+     * @test
+     */
+    public function it_extracts_the_valet_site_from_an_ip_address_uri(): void
+    {
+        // Mirrors the LAN/IP-access flow: REQUEST_URI is "domain.test/auth/login"
+        // (leading slash already trimmed) and the TLD comes from config['domain'].
+        $this->assertSame(
+            'my-site.test',
+            Server::valetSiteFromIpAddressUri('my-site.test/auth/login', 'test')
+        );
+        $this->assertSame(
+            'my-site.test',
+            Server::valetSiteFromIpAddressUri('my-site.test', 'test')
+        );
+    }
+
+    /**
+     * @test
+     */
+    public function it_returns_null_when_the_ip_address_uri_has_no_matching_tld(): void
+    {
+        $this->assertNull(Server::valetSiteFromIpAddressUri('my-site.dev/auth', 'test'));
+        $this->assertNull(Server::valetSiteFromIpAddressUri('', 'test'));
+    }
 }