diff --git a/scripts/supybot-wizard b/scripts/supybot-wizard
index c32c49737..7c4635f13 100755
--- a/scripts/supybot-wizard
+++ b/scripts/supybot-wizard
@@ -34,6 +34,10 @@ __revision__ = "$Id$"
 import os
 import sys
 
+if sys.version_info < (2, 3, 0):
+    sys.stderr.write('This program requires Python >= 2.3.0\n')
+    sys.exit(-1)
+
 import supybot
 
 import supybot.fix as fix