diff --git a/integration/ngcc/test.sh b/integration/ngcc/test.sh
index ba04cb7ff8a..bc8e35dde06 100755
--- a/integration/ngcc/test.sh
+++ b/integration/ngcc/test.sh
@@ -209,7 +209,7 @@ ngcc --formats fesm2015
 assertFailed "Expected 'ngcc --formats fesm2015' to fail (since '--formats' is deprecated)."
 
 # Does it timeout if there is another ngcc process running
-LOCKFILE=node_modules/@angular/compiler-cli/bundles/ngcc/__ngcc_lock_file__
+LOCKFILE=node_modules/.ngcc_lock_file
 touch $LOCKFILE
 trap "[[ -f $LOCKFILE ]] && rm $LOCKFILE" EXIT
 ngcc
diff --git a/packages/compiler-cli/ngcc/src/locking/lock_file.ts b/packages/compiler-cli/ngcc/src/locking/lock_file.ts
index d627e0106a6..d16d5d43061 100644
--- a/packages/compiler-cli/ngcc/src/locking/lock_file.ts
+++ b/packages/compiler-cli/ngcc/src/locking/lock_file.ts
@@ -19,8 +19,8 @@ export function getLockFilePath(fs: PathManipulation) {
   // allows us to have a consistent position for the lock file to reside. We are unable to rely
   // on `__dirname` (or equivalent) as this code is being bundled and different entry-points
   // will have dedicated bundles where the lock file location would differ then.
-  const ngccEntryPointFile = requireFn.resolve('@angular/compiler-cli/ngcc');
-  return fs.resolve(ngccEntryPointFile, '../__ngcc_lock_file__');
+  const ngccEntryPointFile = requireFn.resolve('@angular/compiler-cli/package.json');
+  return fs.resolve(ngccEntryPointFile, '../../../.ngcc_lock_file');
 }
 
 export interface LockFile {
diff --git a/packages/compiler-cli/ngcc/test/helpers/utils.ts b/packages/compiler-cli/ngcc/test/helpers/utils.ts
index dc8634c984d..a776c024842 100644
--- a/packages/compiler-cli/ngcc/test/helpers/utils.ts
+++ b/packages/compiler-cli/ngcc/test/helpers/utils.ts
@@ -119,3 +119,18 @@ var __assign${suffix} = null;
 export function getRootFiles(testFiles: TestFile[]): AbsoluteFsPath[] {
   return testFiles.filter(f => f.isRoot !== false).map(f => absoluteFrom(f.name));
 }
+
+/**
+ * Mock out the lockfile path resolution, which uses `require.resolve()`.
+ */
+export function mockRequireResolveForLockfile() {
+  const moduleConstructor: any = module.constructor;
+  const originalResolveFileName = moduleConstructor._resolveFilename;
+  spyOn<any>(moduleConstructor, '_resolveFilename').and.callFake(function(request: string) {
+    if (request === '@angular/compiler-cli/package.json') {
+      return '/node_modules/' + request;
+    } else {
+      return originalResolveFileName.apply(null, arguments as any);
+    }
+  });
+}
diff --git a/packages/compiler-cli/ngcc/test/integration/ngcc_spec.ts b/packages/compiler-cli/ngcc/test/integration/ngcc_spec.ts
index 27e8d2db98b..9b5abf01c18 100644
--- a/packages/compiler-cli/ngcc/test/integration/ngcc_spec.ts
+++ b/packages/compiler-cli/ngcc/test/integration/ngcc_spec.ts
@@ -22,6 +22,7 @@ import {EntryPointJsonProperty, EntryPointPackageJson, SUPPORTED_FORMAT_PROPERTI
 import {EntryPointManifestFile} from '../../src/packages/entry_point_manifest';
 import {Transformer} from '../../src/packages/transformer';
 import {DirectPackageJsonUpdater, PackageJsonUpdater} from '../../src/writing/package_json_updater';
+import {mockRequireResolveForLockfile} from '../helpers/utils';
 
 import {compileIntoApf, compileIntoFlatEs2015Package, compileIntoFlatEs5Package, loadNgccIntegrationTestFiles} from './util';
 
@@ -46,6 +47,7 @@ runInEachFileSystem(() => {
       _ = absoluteFrom;
       fs = getFileSystem();
       pkgJsonUpdater = new DirectPackageJsonUpdater(fs);
+      mockRequireResolveForLockfile();
       initMockFileSystem(fs, testFiles);
 
       // Force single-process execution in unit tests by mocking available CPUs to 1.
diff --git a/packages/compiler-cli/ngcc/test/locking/lockfile_with_child_process/index_spec.ts b/packages/compiler-cli/ngcc/test/locking/lockfile_with_child_process/index_spec.ts
index edff4dc0b7f..95b84b9a42f 100644
--- a/packages/compiler-cli/ngcc/test/locking/lockfile_with_child_process/index_spec.ts
+++ b/packages/compiler-cli/ngcc/test/locking/lockfile_with_child_process/index_spec.ts
@@ -13,6 +13,7 @@ import {runInEachFileSystem} from '../../../../src/ngtsc/file_system/testing';
 import {MockLogger} from '../../../../src/ngtsc/logging/testing';
 import {getLockFilePath} from '../../../src/locking/lock_file';
 import {LockFileWithChildProcess} from '../../../src/locking/lock_file_with_child_process';
+import {mockRequireResolveForLockfile} from '../../helpers/utils';
 
 runInEachFileSystem(() => {
   describe('LockFileWithChildProcess', () => {
@@ -55,6 +56,10 @@ runInEachFileSystem(() => {
       }
     }
 
+    beforeEach(() => {
+      mockRequireResolveForLockfile();
+    });
+
     describe('constructor', () => {
       it('should create the unlocker process', () => {
         const fs = getFileSystem();