diff --git a/playground/alex-herron/irb-prototype/core-information/personnel/Principal_Investigator-schema.json b/playground/alex-herron/irb-prototype/core-information/personnel/Principal_Investigator-schema.json
index 015ed4c0..5d7ab1e7 100644
--- a/playground/alex-herron/irb-prototype/core-information/personnel/Principal_Investigator-schema.json
+++ b/playground/alex-herron/irb-prototype/core-information/personnel/Principal_Investigator-schema.json
@@ -15,7 +15,7 @@
     ],
     "properties": {
         "piName": {
-            "$ref": "#/definitions/categoryEnum",
+            "$ref": "#/definitions/Enum",
             "title": "PI Name"
         }
     }