diff --git a/packages/schematics/angular/application/files/tsconfig.json b/packages/schematics/angular/application/files/tsconfig.json
index a6c016bf38..32c9cf5f14 100644
--- a/packages/schematics/angular/application/files/tsconfig.json
+++ b/packages/schematics/angular/application/files/tsconfig.json
@@ -14,6 +14,7 @@
     "lib": [
       "es2017",
       "dom"
-    ]
+    ],
+    "downlevelIteration": true
   }
 }