diff --git a/package.json b/package.json
index 91a9d9182..7aaeeefc4 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "publish:beta": "gulp publishBeta",
     "recompile": "gulp recompile",
     "release": "gulp gitCreateRC",
-    "start": "http-server ./ -o /tests/playground.html",
+    "start": "http-server ./ -o /tests/playground.html -c-1",
     "test": "tests/run_all_tests.sh",
     "test:generators": "tests/scripts/run_generators.sh",
     "test:compile:advanced": "gulp buildAdvancedCompilationTest",