AliasTracker.pluralize use pluralize_table_names of model

activerecord/lib/active_record/associations/alias_tracker.rb

@@ -49,8 +49,8 @@ def aliased_name_for(table_name, aliased_name = nil)
         end
       end
 
-      def pluralize(table_name)
-        ActiveRecord::Base.pluralize_table_names ? table_name.to_s.pluralize : table_name.to_s
+      def pluralize(table_name, base)
+        base.pluralize_table_names ? table_name.to_s.pluralize : table_name.to_s
       end
 
       private

activerecord/lib/active_record/associations/join_helper.rb

@@ -32,7 +32,7 @@ def table_name_for(reflection)
       end
 
       def table_alias_for(reflection, join = false)
-        name = alias_tracker.pluralize(reflection.name)
+        name = alias_tracker.pluralize(reflection.name, reflection.active_record)
         name << "_#{alias_suffix}"
         name << "_join" if join
         name