diff --git a/packages/service-worker/worker/src/driver.ts b/packages/service-worker/worker/src/driver.ts
index a80b69ede5..6d2f229190 100644
--- a/packages/service-worker/worker/src/driver.ts
+++ b/packages/service-worker/worker/src/driver.ts
@@ -580,8 +580,8 @@ export class Driver implements Debuggable, UpdateSource {
    * Retrieve a copy of the latest manifest from the server.
    */
   private async fetchLatestManifest(): Promise<Manifest> {
-    const res = await this.safeFetch(
-        this.adapter.newRequest('/ngsw.json?ngsw-cache-bust=' + Math.random()));
+    const res =
+        await this.safeFetch(this.adapter.newRequest('ngsw.json?ngsw-cache-bust=' + Math.random()));
     if (!res.ok) {
       if (res.status === 404) {
         await this.deleteAllCaches();
diff --git a/packages/service-worker/worker/test/happy_spec.ts b/packages/service-worker/worker/test/happy_spec.ts
index 5599af47cc..14b404926b 100644
--- a/packages/service-worker/worker/test/happy_spec.ts
+++ b/packages/service-worker/worker/test/happy_spec.ts
@@ -158,7 +158,7 @@ export function main() {
       expect(await scope.startup(true)).toEqual(true);
       await scope.resolveSelfMessages();
       await driver.initialized;
-      server.assertSawRequestFor('/ngsw.json');
+      server.assertSawRequestFor('ngsw.json');
       server.assertSawRequestFor('/foo.txt');
       server.assertSawRequestFor('/bar.txt');
       server.assertSawRequestFor('/redirected.txt');
@@ -170,7 +170,7 @@ export function main() {
     async_it('initializes prefetched content correctly, after a request kicks it off', async() => {
       expect(await makeRequest(scope, '/foo.txt')).toEqual('this is foo');
       await driver.initialized;
-      server.assertSawRequestFor('/ngsw.json');
+      server.assertSawRequestFor('ngsw.json');
       server.assertSawRequestFor('/foo.txt');
       server.assertSawRequestFor('/bar.txt');
       server.assertSawRequestFor('/redirected.txt');
@@ -230,7 +230,7 @@ export function main() {
 
       scope.updateServerState(serverUpdate);
       expect(await driver.checkForUpdate()).toEqual(true);
-      serverUpdate.assertSawRequestFor('/ngsw.json');
+      serverUpdate.assertSawRequestFor('ngsw.json');
       serverUpdate.assertSawRequestFor('/foo.txt');
       serverUpdate.assertSawRequestFor('/redirected.txt');
       serverUpdate.assertNoOtherRequests();
@@ -263,7 +263,7 @@ export function main() {
 
       scope.updateServerState(serverUpdate);
       expect(await driver.checkForUpdate()).toEqual(true);
-      serverUpdate.assertSawRequestFor('/ngsw.json');
+      serverUpdate.assertSawRequestFor('ngsw.json');
       serverUpdate.assertSawRequestFor('/foo.txt');
       serverUpdate.assertSawRequestFor('/redirected.txt');
       serverUpdate.assertNoOtherRequests();
@@ -331,7 +331,7 @@ export function main() {
       scope.advance(12000);
       await driver.idle.empty;
 
-      serverUpdate.assertSawRequestFor('/ngsw.json');
+      serverUpdate.assertSawRequestFor('ngsw.json');
       serverUpdate.assertSawRequestFor('/foo.txt');
       serverUpdate.assertSawRequestFor('/redirected.txt');
       serverUpdate.assertNoOtherRequests();
diff --git a/packages/service-worker/worker/testing/mock.ts b/packages/service-worker/worker/testing/mock.ts
index 52100a628c..7ec168841d 100644
--- a/packages/service-worker/worker/testing/mock.ts
+++ b/packages/service-worker/worker/testing/mock.ts
@@ -73,7 +73,7 @@ export class MockServerStateBuilder {
   }
 
   withManifest(manifest: Manifest): MockServerStateBuilder {
-    this.resources.set('/ngsw.json', new MockResponse(JSON.stringify(manifest)));
+    this.resources.set('ngsw.json', new MockResponse(JSON.stringify(manifest)));
     return this;
   }