diff --git a/server/foxbank_server/__init__.py b/server/foxbank_server/__init__.py
index 0de7b4a..5b38cd7 100644
--- a/server/foxbank_server/__init__.py
+++ b/server/foxbank_server/__init__.py
@@ -26,8 +26,7 @@ def create_app():
 
 def init_cors(app):
     from flask_cors import CORS
-    cors = CORS()
-    cors.init_app(app)
+    cors = CORS(app)
 
 def init_db(app):
     from .db import init_app
diff --git a/server/foxbank_server/db_utils.py b/server/foxbank_server/db_utils.py
index 338c6d2..3170413 100644
--- a/server/foxbank_server/db_utils.py
+++ b/server/foxbank_server/db_utils.py
@@ -132,7 +132,7 @@ class Module(ModuleType):
             from random import randint
             while True:
                 iban = 'RO00FOXB0' + account.currency
-                iban += str(randint(0, 10 ** 13)).rjust(12, '0')
+                iban += str(randint(10, 10 ** 12 - 1)).rjust(12, '0')
                 from .utils.iban import gen_check_digits
                 iban = gen_check_digits(iban)
                 if iban not in ibans: