diff --git a/packages/builder/src/constants/backend/automations.js b/packages/builder/src/constants/backend/automations.ts
similarity index 100%
rename from packages/builder/src/constants/backend/automations.js
rename to packages/builder/src/constants/backend/automations.ts
diff --git a/packages/builder/src/constants/backend/backups.js b/packages/builder/src/constants/backend/backups.ts
similarity index 100%
rename from packages/builder/src/constants/backend/backups.js
rename to packages/builder/src/constants/backend/backups.ts
diff --git a/packages/builder/src/constants/backend/index.js b/packages/builder/src/constants/backend/index.ts
similarity index 98%
rename from packages/builder/src/constants/backend/index.js
rename to packages/builder/src/constants/backend/index.ts
index 6ddf4c2138..c28416ac3e 100644
--- a/packages/builder/src/constants/backend/index.js
+++ b/packages/builder/src/constants/backend/index.ts
@@ -4,6 +4,7 @@ import {
   INTERNAL_TABLE_SOURCE_ID,
   AutoFieldSubType,
   Hosting,
+  FieldSubType,
 } from "@budibase/types"
 import { Constants } from "@budibase/frontend-core"
 
@@ -209,7 +210,7 @@ export const Roles = {
   BUILDER: "BUILDER",
 }
 
-export function isAutoColumnUserRelationship(subtype) {
+export function isAutoColumnUserRelationship(subtype: FieldSubType) {
   return (
     subtype === AUTO_COLUMN_SUB_TYPES.CREATED_BY ||
     subtype === AUTO_COLUMN_SUB_TYPES.UPDATED_BY