diff --git a/jupyter_config.json b/jupyter_config.json
index 7fa63a0..aaafd06 100644
--- a/jupyter_config.json
+++ b/jupyter_config.json
@@ -1,5 +1,5 @@
 {
   "VoilaConfiguration": {
-    "file_whitelist": [".*"]
+    "file_whitelist": "['.*']"
   }
 }