diff --git a/packages/playwright-core/src/server/fetch.ts b/packages/playwright-core/src/server/fetch.ts
index a58454005b..1bda7e2e44 100644
--- a/packages/playwright-core/src/server/fetch.ts
+++ b/packages/playwright-core/src/server/fetch.ts
@@ -319,7 +319,14 @@ export abstract class APIRequestContext extends SdkObject {
 
           // HTTP-redirect fetch step 4: If locationURL is null, then return response.
           if (response.headers.location) {
-            const locationURL = new URL(response.headers.location, url);
+            let locationURL;
+            try {
+              locationURL = new URL(response.headers.location, url);
+            } catch (error) {
+              reject(new Error(`uri requested responds with an invalid redirect URL: ${response.headers.location}`));
+              request.destroy();
+              return;
+            }
             notifyRequestFinished();
             fulfill(this._sendRequest(progress, locationURL, redirectOptions, postData));
             request.destroy();
diff --git a/tests/library/browsercontext-fetch.spec.ts b/tests/library/browsercontext-fetch.spec.ts
index 0c2bdb25c3..b797f0a934 100644
--- a/tests/library/browsercontext-fetch.spec.ts
+++ b/tests/library/browsercontext-fetch.spec.ts
@@ -751,6 +751,22 @@ it('should respect timeout after redirects', async function({ context, server })
   expect(error.message).toContain(`Request timed out after 100ms`);
 });
 
+it('should throw on a redirect with an invalid URL', async ({ context, server }) => {
+  server.setRedirect('/redirect', '/test');
+  server.setRoute('/test', (req, res) => {
+    // Node.js prevents us from responding with an invalid header, therefore we manually write the response.
+    const conn = res.connection;
+    conn.write('HTTP/1.1 302\r\n');
+    conn.write('Location: https://здравствуйте/\r\n');
+    conn.write('\r\n');
+    conn.uncork();
+    conn.end();
+  });
+  console.log(server.PREFIX + '/test');
+  const error = await context.request.get(server.PREFIX + '/redirect').catch(e => e);
+  expect(error.message).toContain('apiRequestContext.get: uri requested responds with an invalid redirect URL');
+});
+
 it('should not hang on a brotli encoded Range request', async ({ context, server }) => {
   it.info().annotations.push({ type: 'issue', description: 'https://github.com/microsoft/playwright/issues/18190' });
   it.skip(+process.versions.node.split('.')[0] < 18);