diff --git a/lib/jekyll/tags/post_url.rb b/lib/jekyll/tags/post_url.rb
index 94db166e..b05d056b 100644
--- a/lib/jekyll/tags/post_url.rb
+++ b/lib/jekyll/tags/post_url.rb
@@ -18,8 +18,8 @@ module Jekyll
       end
 
       def post_date
-        @post_date ||= Utils.parse_date(name,
-          "\"#{name}\" does not contain valid date and/or title.")
+        @post_date ||= Utils.parse_date(date,
+          "\"#{date}\" does not contain valid date and/or title.")
       end
 
       def ==(other)