diff --git a/resources/boundaries/osm/ar.yaml b/resources/boundaries/osm/ar.yaml
index 88f0002b..3f7181d7 100644
--- a/resources/boundaries/osm/ar.yaml
+++ b/resources/boundaries/osm/ar.yaml
@@ -11,8 +11,9 @@
 
     overrides:
         id:
-            # Buenos Aires (state boundary coterminous with city)
-            "3082668": null
+            relation:
+                # Buenos Aires (state boundary coterminous with city)
+                "3082668": null
         contained_by:
             relation:
                 # Buenos Aires