diff --git a/packages/wakatime/__about__.py b/packages/wakatime/__about__.py
index c799834..8208813 100644
--- a/packages/wakatime/__about__.py
+++ b/packages/wakatime/__about__.py
@@ -1,7 +1,7 @@
 __title__ = 'wakatime'
 __description__ = 'Common interface to the WakaTime api.'
 __url__ = 'https://github.com/wakatime/wakatime'
-__version_info__ = ('4', '0', '12')
+__version_info__ = ('4', '0', '13')
 __version__ = '.'.join(__version_info__)
 __author__ = 'Alan Hamlett'
 __author_email__ = 'alan@wakatime.com'
diff --git a/packages/wakatime/base.py b/packages/wakatime/base.py
index 00a7d1e..22085de 100644
--- a/packages/wakatime/base.py
+++ b/packages/wakatime/base.py
@@ -454,11 +454,15 @@ def main(argv=None):
         if not project_name:
             project_name = args.alternate_project
 
+        kwargs = vars(args)
+        if 'project' in kwargs:
+            del kwargs['project']
+
         if send_heartbeat(
                 project=project_name,
                 branch=branch,
                 stats=stats,
-                **vars(args)
+                **kwargs
             ):
             queue = Queue()
             while True: