diff --git a/buildbot.py b/buildbot.py
index 4dedc2a..fb94bf0 100755
--- a/buildbot.py
+++ b/buildbot.py
@@ -505,9 +505,8 @@ def clean(pkgdirname):
 def clean_all():
     return jobsmgr.reset_dir(all=True)
 
-def force_upload(pkgdirname):
-    #jobsmgr.force_upload_package(pkgdirname)
-    return "not implemented"
+def force_upload(pkgdirname, overwrite=False):
+    return jobsmgr.force_upload_package(pkgdirname, overwrite=overwrite)
 
 def getup():
     return jobsmgr.getup()
diff --git a/client.py b/client.py
index 59c852e..1fcd964 100755
--- a/client.py
+++ b/client.py
@@ -110,7 +110,7 @@ if __name__ == '__main__':
                 parser.exit(status=1)
             server=(MASTER_BIND_ADDRESS, MASTER_BIND_PASSWD)
             for p in action[1:]:
-                logger.info(run('force_upload', args=(p,), server=server))
+                logger.info(run('force_upload', args=(p,), kwargs={'overwrite': args.overwrite}, server=server))
         elif action[0] == 'log':
             logger.info('printing logs')
             print_log()