diff --git a/lib/parse/cmdline.py b/lib/parse/cmdline.py
index e7c0ca4e5..ba88914ad 100644
--- a/lib/parse/cmdline.py
+++ b/lib/parse/cmdline.py
@@ -26,7 +26,8 @@ def cmdLineParser():
     This function parses the command line parameters and arguments
     """
 
-    usage = "python %s [options]" % sys.argv[0]
+    usage = "%s%s [options]" % ("python " if not IS_WIN else "",\
+        "\"%s\"" % sys.argv[0] if " " in sys.argv[0] else sys.argv[0])
     parser = OptionParser(usage=usage, version=VERSION_STRING)
 
     try: