diff --git a/src/vmpoller-proxy b/src/vmpoller-proxy
index 3bd4843..f4de648 100755
--- a/src/vmpoller-proxy
+++ b/src/vmpoller-proxy
@@ -121,7 +121,7 @@ Options:
     args = docopt(usage, version="1.0.0")
 
     if args["--output"] == "-":
-        logging.basicConfig(stream=stdout,
+        logging.basicConfig(stream=sys.stdout,
                             format='%(asctime)s - %(levelname)s - vmpoller-proxy[%(process)s]: %(message)s',
                             level=logging.DEBUG)
     else: