diff --git a/envsetup.py b/envsetup.py
index 851752f..1b51991 100644
--- a/envsetup.py
+++ b/envsetup.py
@@ -42,7 +42,7 @@ def urldownload(confurl = ""):
 			break
 		file_size_dl += len(buffer)
 		f.write(buffer)
-		status = r"%10d  [%3.2f%%]" % (file_size_dl), file_size_dl * 100. / file_size)
+		status = r"%10d  [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size)
 		status = status + chr(8)*(len(status)+1)
 		print status,
 	f.close()