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-rw-r--r--activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
index a297439214..afbf6dfb94 100644
--- a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
+++ b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
@@ -26,7 +26,7 @@ module ActiveRecord::Associations::Builder
model_name = name.to_s.camelize.singularize
if parent_name = lhs_class.parent_name
- model_name = model_name.prepend("#{parent_name}::")
+ model_name.prepend("#{parent_name}::")
end
model_name