diff --git a/lib/administrate/order.rb b/lib/administrate/order.rb
index 4f32da6cd2..25f9d19602 100644
--- a/lib/administrate/order.rb
+++ b/lib/administrate/order.rb
@@ -62,7 +62,7 @@ def order_by_count(relation)
     end
 
     def order_by_id(relation)
-      relation.reorder("#{attribute}_id #{direction}")
+      relation.reorder("#{foreign_key(relation)} #{direction}")
     end
 
     def has_many_attribute?(relation)
@@ -76,5 +76,9 @@ def belongs_to_attribute?(relation)
     def reflect_association(relation)
       relation.klass.reflect_on_association(attribute.to_s)
     end
+
+    def foreign_key(relation)
+      reflect_association(relation).foreign_key
+    end
   end
 end