diff --git a/lib/administrate/field/nested_has_many.rb b/lib/administrate/field/nested_has_many.rb
index 7e51924..1693771 100644
--- a/lib/administrate/field/nested_has_many.rb
+++ b/lib/administrate/field/nested_has_many.rb
@@ -50,6 +50,10 @@ def nested_fields_for_builder(form_builder)
             "@data",
             resource.send(nested_field.attribute),
           )
+          nested_field.instance_variable_set(
+            "@resource",
+            resource
+          )
         end
       end