diff --git a/src/authentic2_gnm/management/commands/sync-cut.py b/src/authentic2_gnm/management/commands/sync-cut.py
index e3348e2..31124f5 100644
--- a/src/authentic2_gnm/management/commands/sync-cut.py
+++ b/src/authentic2_gnm/management/commands/sync-cut.py
@@ -27,8 +27,14 @@ from authentic2_auth_oidc.models import OIDCProvider, OIDCAccount
 
 
 class Command(BaseCommand):
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+                '--delta', metavar='DELTA', type=int, default=300)
+
     def handle(self, *args, **options):
         verbose = int(options['verbosity']) > 0
+        delta = options['delta']
 
         # check all existing users
         def chunks(l, n):
@@ -56,7 +62,7 @@ class Command(BaseCommand):
 
         # update recently modified users
         url = settings.CUT_API_BASE_URL + 'users/?modified__gt=%s' % (
-                datetime.datetime.now() - datetime.timedelta(seconds=300)).strftime('%Y-%m-%dT%H:%M:%S')
+                datetime.datetime.now() - datetime.timedelta(seconds=delta)).strftime('%Y-%m-%dT%H:%M:%S')
         resp = requests.get(url, auth=settings.CUT_API_CREDENTIALS)
         resp.raise_for_status()
         for user_dict in resp.json()['results']: