diff --git a/blogthon.cgi b/blogthon.cgi
index bbb0131..6e32476 100755
--- a/blogthon.cgi
+++ b/blogthon.cgi
@@ -198,7 +198,7 @@ if cname and ctext and ctitle:
 		content.close()
 		# Send mail?
 		if new_comment_mail:
-			msg = 'From: Blogthon\nSubject: New comment on ' + blog_title + '\n\nSomeone wrote a comment to this entry: ' + blog_url + '?p=' + ctitle
+			msg = 'From: Blogthon\nSubject: New comment on ' + blog_title + '\n\nSomeone wrote a comment to this entry: ' + blog_url + '?p=' + re.sub(' ', '-', ctitle)
 			smtp = smtplib.SMTP(smtp_host)
 			smtp.sendmail(blog_title, mail_to, msg)
 			smtp.quit()