diff --git a/copy_apprtc.py b/copy_apprtc.py
index c0a6d5d..e65dcb0 100755
--- a/copy_apprtc.py
+++ b/copy_apprtc.py
@@ -26,7 +26,7 @@
     sys.stdout.write(line)
 
 
-def RemoveDirectory(*path):
+def RemoveDirectory(path):
   if utils.GetPlatform() == 'win':
     # Allow clobbering of out dir using cygwin until crbug.com/567538 is fixed.
     drive, path = os.path.splitdrive(os.path.abspath(path))