diff --git a/packages/backend-core/src/db/utils.ts b/packages/backend-core/src/db/utils.ts
index 7e95b7df97..dc7a0454c3 100644
--- a/packages/backend-core/src/db/utils.ts
+++ b/packages/backend-core/src/db/utils.ts
@@ -86,7 +86,7 @@ export function getWorkspaceParams(id = "", otherProps = {}) {
  * Generates a new global user ID.
  * @returns {string} The new user ID which the user doc can be stored under.
  */
-export function generateGlobalUserID(id: any) {
+export function generateGlobalUserID(id?: any) {
   return `${DocumentTypes.USER}${SEPARATOR}${id || newid()}`
 }
 
diff --git a/packages/worker/src/sdk/users/users.ts b/packages/worker/src/sdk/users/users.ts
index cb2b439c7b..c2e29c7dae 100644
--- a/packages/worker/src/sdk/users/users.ts
+++ b/packages/worker/src/sdk/users/users.ts
@@ -108,7 +108,7 @@ export const save = async (
     throw "Password must be specified."
   }
 
-  _id = _id || dbUtils.generateGlobalUserID(email)
+  _id = _id || dbUtils.generateGlobalUserID()
   user = {
     createdAt: Date.now(),
     ...dbUser,