diff --git a/config/_default/mediatypes.yaml b/config/_default/mediatypes.yaml
index ae59f7f..af75d0b 100644
--- a/config/_default/mediatypes.yaml
+++ b/config/_default/mediatypes.yaml
@@ -3,4 +3,4 @@ application/rss+xml:
   suffixes: [rss]
 application/atom+xml:
   delimiter: .
-  suffixes: [atom, xml]
+  suffixes: [xml]
diff --git a/config/_default/outputformats.yaml b/config/_default/outputformats.yaml
index eaa3207..ff45b97 100644
--- a/config/_default/outputformats.yaml
+++ b/config/_default/outputformats.yaml
@@ -2,3 +2,7 @@ RSS:
   mediatype: application/rss+xml
   baseName: feed
   suffixes: [rss]
+Atom:
+  mediatype: application/atom+xml
+  baseName: feed
+  suffixes: [xml]
diff --git a/config/_default/outputs.yaml b/config/_default/outputs.yaml
index 8e19753..5671d03 100644
--- a/config/_default/outputs.yaml
+++ b/config/_default/outputs.yaml
@@ -1,2 +1,2 @@
-home: [HTML, RSS]
+home: [HTML, Atom, RSS]
 page: [HTML, JSON]