diff --git a/main.py b/main.py
index 0bbdb85..071c1ff 100644
--- a/main.py
+++ b/main.py
@@ -153,9 +153,9 @@ def by_feed_name(slug):
         fe.content(item.content)
 
         date = item.date.replace(tzinfo=timezone.utc)
-        fe.updated(date)
+        fe.published(date)
 
-    return gen.atom_str(pretty=True).decode('utf8')
+    return gen.rss_str(pretty=True).decode('utf8')
 
 
 if __name__ == '__main__':