1 files changed, 2 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb
index 80cf933555..aa61487285 100644
--- a/activerecord/lib/active_record/associations/join_dependency.rb
+++ b/activerecord/lib/active_record/associations/join_dependency.rb
@@ -173,13 +173,9 @@ module ActiveRecord
         end
       end
 
-      def find_join_association(name_or_reflection, parent)
-        if String === name_or_reflection
-          name_or_reflection = name_or_reflection.to_sym
-        end
-
+      def find_join_association(reflection, parent)
         join_associations.detect { |j|
-          j.reflection == name_or_reflection && j.parent == parent
+          j.reflection == reflection && j.parent == parent
         }
       end