diff --git a/lg.py b/lg.py
index 47ed204..553e949 100644
--- a/lg.py
+++ b/lg.py
@@ -213,7 +213,7 @@ def whois():
 
     try:
         asnum = int(query)
-        query = "as%d" % asnum
+        query = "AS%d" % asnum
     except:
         m = re.match(r"[\w\d-]*\.(?P<domain>[\d\w-]+\.[\d\w-]+)$", query)
         if m: