diff --git a/services/web/project/__init__.py b/services/web/project/__init__.py
index 4b4312d..c792174 100644
--- a/services/web/project/__init__.py
+++ b/services/web/project/__init__.py
@@ -390,6 +390,8 @@ def complete_register():
                 cursor.execute(FIND_USERNAME)
                 user_search = cursor.fetchall()
     print(user_search)
+    if  user_search[0]:
+        return jsonify({'status': "DUPLICATE",'message': 'Error - use another username'}), 200
 
     user_uid = pending_data['user']['uid']
     #'a4b75649-e3c5-424f-bcdb-5481e625d24b'