diff --git a/lib/activeadmin_addons/support/input_helpers/input_methods.rb b/lib/activeadmin_addons/support/input_helpers/input_methods.rb
index d99694e2..0b12655e 100644
--- a/lib/activeadmin_addons/support/input_helpers/input_methods.rb
+++ b/lib/activeadmin_addons/support/input_helpers/input_methods.rb
@@ -1,7 +1,11 @@
 module ActiveAdminAddons
   module InputMethods
     def model_name
-      valid_object.class.to_s.underscore.tr('/', '_')
+      if respond_to?(:builder) && builder.options[:as].present?
+        builder.options[:as]
+      else
+        valid_object.class.to_s.underscore.tr('/', '_')
+      end
     end
 
     def valid_method