diff --git a/flake8_copyright.py b/flake8_copyright.py
index 5f798bd..d96aa5c 100644
--- a/flake8_copyright.py
+++ b/flake8_copyright.py
@@ -38,7 +38,7 @@ def add_options(cls, parser):
             help="Checks for copyright notices in every file."
         )
         parser.add_option(
-            '--copyright-min-file-size', default=0, action='store', type='int',
+            '--copyright-min-file-size', default=0, action='store', type=int,
             parse_from_config=True,
             help="Minimum number of characters in a file before requiring a copyright notice."
         )