diff --git a/package.json b/package.json
index e7b9b433..1c915aec 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
     "start": "ionic serve",
     "start:prod": "ionic serve -- --configuration=production",
     "start:fake": "ionic serve -- --configuration=fake",
+    "start:external": "ionic serve --external",
     "test": "ng test",
     "tslint": "tslint -p tsconfig.json -c tslint.json 'src/**/*.ts'"
   },