diff --git a/listing.py b/listing.py
index 5e99a8e..153cefe 100644
--- a/listing.py
+++ b/listing.py
@@ -96,7 +96,7 @@ class YahooAuctionsItem:
 			j = json.loads(re.match(r'.*var pageData ?= ?(\{.*?\});', r, re.DOTALL).group(1))
 			ae = re.match(r'自動延長.+\n.+>(.+)<.+', r)
 			if ae != None:
-				ae = re.group(1)
+				ae = ae.group(1)
 				self.auto_extension = (ae == "あり")
 
 		except: