diff --git a/aio/src/tsconfig.app.json b/aio/src/tsconfig.app.json
index c486ae3a7c..f92893cafd 100644
--- a/aio/src/tsconfig.app.json
+++ b/aio/src/tsconfig.app.json
@@ -12,5 +12,8 @@
     "test.ts",
     "test-specs.ts",
     "**/*.spec.ts"
-  ]
+  ],
+  "angularCompilerOptions": {
+    "preserveWhitespaces": false
+  }
 }