diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62404f8ac..e937370d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # master
 
+* Add `Base.format` for better compatibility with `ActionView::Template`.
+
+    *Joel Hawksley*
+
 # v2.2.1
 
 * Fix bug where template could not be found if `inherited` was redefined.
diff --git a/lib/view_component/base.rb b/lib/view_component/base.rb
index d97f99207..1ad59c73e 100644
--- a/lib/view_component/base.rb
+++ b/lib/view_component/base.rb
@@ -220,6 +220,10 @@ def type
         "text/html"
       end
 
+      def format
+        :html
+      end
+
       def identifier
         source_location
       end