diff --git a/python/lsst/daf/butler/configs/storageClasses.yaml b/python/lsst/daf/butler/configs/storageClasses.yaml
index 8a87baf30b..dbc17339b9 100644
--- a/python/lsst/daf/butler/configs/storageClasses.yaml
+++ b/python/lsst/daf/butler/configs/storageClasses.yaml
@@ -93,6 +93,10 @@ storageClasses:
       #
       # Defaults to ``PARENT``.  Ignored if ``bbox`` is not present.
       - origin
+    components:
+      image: Image
+      mask: Mask
+      variance: Image
   MaskedImageF:
     inheritsFrom: MaskedImage
     pytype: lsst.afw.image.MaskedImageF