diff --git a/aio/ngsw-manifest.json b/aio/ngsw-manifest.json
index 1641100f2d..0906b7d65b 100644
--- a/aio/ngsw-manifest.json
+++ b/aio/ngsw-manifest.json
@@ -17,9 +17,8 @@
   "routing": {
     "index": "/index.html",
     "routes": {
-      "/": {
-        "prefix": true,
-        "onlyWithoutExtension": true
+      "/(?!e?plnkr)[^/.]*$": {
+        "match": "regex"
       }
     }
   }