diff options
| -rw-r--r-- | activerecord/lib/active_record/reflection.rb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index f5ea0edb72..2aec73bd5b 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -635,7 +635,7 @@ module ActiveRecord # # => [:tag, :tags] # def source_reflection_names - @source_reflection_names ||= (options[:source] ? [options[:source]] : [name.to_s.singularize, name]).collect { |n| n.to_sym } + @source_reflection_names ||= (options[:source] ? [options[:source]] : [name.to_s.singularize, name]).collect { |n| n.to_sym }.uniq end def source_options |