diff --git a/packages/angular_devkit/build_angular/src/webpack/configs/test.ts b/packages/angular_devkit/build_angular/src/webpack/configs/test.ts
index fffe5c9dc40e..208fbc6a3c1e 100644
--- a/packages/angular_devkit/build_angular/src/webpack/configs/test.ts
+++ b/packages/angular_devkit/build_angular/src/webpack/configs/test.ts
@@ -64,13 +64,13 @@ export function getTestConfig(
       rules: extraRules,
       parser:
         webWorkerTsConfig === undefined
-          ? undefined
-          : {
+          ? {
               javascript: {
                 worker: false,
                 url: false,
               },
-            },
+            }
+          : undefined,
     },
     plugins: extraPlugins,
     optimization: {