diff --git a/Tests/LibWeb/TestConfig.ini b/Tests/LibWeb/TestConfig.ini
index 808565bb7db..ceaadd570d0 100644
--- a/Tests/LibWeb/TestConfig.ini
+++ b/Tests/LibWeb/TestConfig.ini
@@ -310,10 +310,6 @@ Text/input/WebSocket/echo.html
 ; Times out due to us not implementing auto-commit the correct way.
 Text/input/wpt-import/IndexedDB/idbfactory_open.any.html
 
-; Slow on macOS. Takes ~200ms per request to the echo server.
-; https://github.com/LadybirdBrowser/ladybird/issues/4850
-Text/input/XHR/XMLHttpRequest-override-mimetype-blob.html
-
 Text/input/wpt-import/webaudio/the-audio-api/the-periodicwave-interface/periodicWave.html
 
 ; Will fail until OfflineRenderContext::start_rendering is implemented
diff --git a/Tests/LibWeb/Text/input/include.js b/Tests/LibWeb/Text/input/include.js
index 7c81f80506a..dc09af17be6 100644
--- a/Tests/LibWeb/Text/input/include.js
+++ b/Tests/LibWeb/Text/input/include.js
@@ -126,7 +126,7 @@ class HTTPTestServer {
 
 const __httpTestServer = (function () {
     if (globalThis.internals && globalThis.internals.getEchoServerPort)
-        return new HTTPTestServer(`http://localhost:${internals.getEchoServerPort()}`);
+        return new HTTPTestServer(`http://127.0.0.1:${internals.getEchoServerPort()}`);
 
     return null;
 })();