diff --git a/management/commands/_import_utils.py b/management/commands/_import_utils.py
index 80c7b59..d9243a3 100644
--- a/management/commands/_import_utils.py
+++ b/management/commands/_import_utils.py
@@ -33,6 +33,7 @@ class ImportCommand(BaseCommand):
         parser.add_argument('--nk15user', action='store', default='nk15_user', help='NK15 database owner')
         parser.add_argument('-s', '--save', action='store', help="save mapping of idbde")
         parser.add_argument('-m', '--map', action='store', help="import mapping of idbde")
+        parser.add_argument('-c', '--chunk', type=int, default=100, help="chunk size for bulk_create")
         return parser
 
 
diff --git a/management/commands/import_account.py b/management/commands/import_account.py
index b173265..3f7a789 100644
--- a/management/commands/import_account.py
+++ b/management/commands/import_account.py
@@ -38,9 +38,8 @@ class Command(ImportCommand):
     """
    
     def add_arguments(self, parser):
-        parser.add_argument('-a', '--alias', action='store', help="import alias")
-        parser.add_argument('-c', '--chunk', type=int, default=100, help="chunk size for bulk_create")
-       
+        parser.add_argument('-a', '--alias', action='store_true', help="import alias")
+      
     @transaction.atomic
     def import_account(self, cur, chunk_size):
         """