1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb
index 437c8b1fd6..51770cff0f 100644
--- a/activerecord/lib/active_record/associations/has_many_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_through_association.rb
@@ -59,7 +59,7 @@ module ActiveRecord
         end
 
         def insert_record(record, force = true, validate = true)
-          if record.new_record?
+          unless record.persisted?
             if force
               record.save!
             else