diff --git a/potoken_generator/main.py b/potoken_generator/main.py
index c25e8ba..17d4717 100644
--- a/potoken_generator/main.py
+++ b/potoken_generator/main.py
@@ -74,7 +74,7 @@ Retrieve potoken using Chromium runned by nodriver, serve it on a json endpoint
     parser = argparse.ArgumentParser(description=description, formatter_class=argparse.RawDescriptionHelpFormatter)
     parser.add_argument('-o', '--oneshot', action='store_true', default=False,
                         help='Do not start server. Generate token once, print it and exit')
-    parser.add_argument('--update-interval', '-u', type=int, default=3600,
+    parser.add_argument('--update-interval', '-u', type=int, default=300,
                         help='How ofthen new token is generated, in seconds (default: %(default)s)')
     parser.add_argument('--port', '-p', type=int, default=8080,
                         help='Port webserver is listening on (default: %(default)s)')