diff --git a/argocd/manifests/homepage/values.yaml b/argocd/manifests/homepage/values.yaml
index 70a840c..1aab563 100644
--- a/argocd/manifests/homepage/values.yaml
+++ b/argocd/manifests/homepage/values.yaml
@@ -56,6 +56,10 @@ config:
                   query: time() - borgmatic_last_archive_timestamp
                   format:
                     type: duration
+                - label: Archive size
+                  query: borgmatic_repo_deduplicated_size_bytes
+                  format:
+                    type: bytes
 
   # External bookmarks
   bookmarks: