diff --git a/lib/rails_admin/fields.rb b/lib/rails_admin/fields.rb
index <HASH>..<HASH> 100644
--- a/lib/rails_admin/fields.rb
+++ b/lib/rails_admin/fields.rb
@@ -222,7 +222,7 @@ module RailsAdmin
       end
 
       def errors
-        bindings[:object].errors[association[:child_key]]
+        bindings[:object].errors[child_key]
       end
 
       def has_errors?
Association's bound object's errors were being accessed by a wrong hash key