diff --git a/packages/happy-dom/test/location/URL.test.ts b/packages/happy-dom/test/location/URL.test.ts
index 7a8477f49..3e94013cc 100644
--- a/packages/happy-dom/test/location/URL.test.ts
+++ b/packages/happy-dom/test/location/URL.test.ts
@@ -40,7 +40,7 @@ describe('URL', () => {
 			expect(url.href).toBe(href);
 			expect(url.protocol).toBe('https:');
 			expect(url.hostname).toBe('google.com');
-			expect(url.port).toBe(':8080');
+			expect(url.port).toBe('8080');
 			expect(url.pathname).toBe('/some-path/');
 			expect(url.search).toBe('');
 			expect(url.hash).toBe('');
diff --git a/packages/happy-dom/test/nodes/document/Document.test.ts b/packages/happy-dom/test/nodes/document/Document.test.ts
index 02c151f2a..5a349c028 100644
--- a/packages/happy-dom/test/nodes/document/Document.test.ts
+++ b/packages/happy-dom/test/nodes/document/Document.test.ts
@@ -184,7 +184,7 @@ describe('Document', () => {
 		});
 
 		it('Sets a cookie with a path.', () => {
-			window.location.href = '/path/to/cookie/';
+			window.location.href = 'https://sub.test.com/path/to/cookie/';
 			document.cookie = 'name1=value1; path=path/to';
 			document.cookie = 'name2=value2; path=/path/to';
 			document.cookie = 'name3=value3; path=/path/to/cookie/';
@@ -192,7 +192,7 @@ describe('Document', () => {
 		});
 
 		it('Does not set cookie if the path does not match the current path.', () => {
-			window.location.href = '/path/to/cookie/';
+			window.location.href = 'https://sub.test.com/path/to/cookie/';
 			document.cookie = 'name1=value1; path=/cookie/';
 			expect(document.cookie).toBe('');
 		});
diff --git a/packages/happy-dom/test/window/Window.test.ts b/packages/happy-dom/test/window/Window.test.ts
index 5c2239e25..34eb6a6fe 100644
--- a/packages/happy-dom/test/window/Window.test.ts
+++ b/packages/happy-dom/test/window/Window.test.ts
@@ -24,6 +24,7 @@ describe('Window', () => {
 		MOCKED_NODE_FETCH.error = null;
 		window = new Window();
 		document = window.document;
+		window.location.href = 'http://localhost:8080/';
 	});
 
 	afterEach(() => {
@@ -322,7 +323,6 @@ describe('Window', () => {
 
 		it('Handles error JSON request.', async () => {
 			MOCKED_NODE_FETCH.error = new Error('error');
-
 			try {
 				await window.fetch('/url/', {});
 			} catch (error) {