lib/mongoid/fields.rb in mongoid-6.4.8 vs lib/mongoid/fields.rb in mongoid-7.0.0.beta

@@ -459,10 +459,10 @@
       def create_field_setter(name, meth, field)
         generated_methods.module_eval do
           re_define_method("#{meth}=") do |value|
             val = write_attribute(name, value)
             if field.foreign_key?
-              remove_ivar(field.metadata.name)
+              remove_ivar(field.association.name)
             end
             val
           end
         end
       end