diff --git a/app/src/frontend/building/data-containers/age.tsx b/app/src/frontend/building/data-containers/age.tsx
index 7befa7a0..e7baa880 100644
--- a/app/src/frontend/building/data-containers/age.tsx
+++ b/app/src/frontend/building/data-containers/age.tsx
@@ -17,6 +17,7 @@ const AgeView = (props) => (
             upper={props.building.date_upper}
             lower={props.building.date_lower}
             mode={props.mode}
+            copy={props.copy}
             onChange={props.onChange}
             />
         <NumericDataEntry