1 files changed, 2 insertions, 2 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 3888bc62ba..d7ca7b5834 100644
--- a/activerecord/lib/active_record/associations/has_many_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_through_association.rb
@@ -127,7 +127,7 @@ module ActiveRecord
         def construct_quoted_owner_attributes(reflection)
           if as = reflection.options[:as]
             { "#{as}_id" => @owner.quoted_id,
-              "#{as}_type" => reflection.klass.quote(
+              "#{as}_type" => reflection.klass.quote_value(
                 @owner.class.base_class.name.to_s,
                 reflection.klass.columns_hash["#{as}_type"]) }
           else
@@ -164,7 +164,7 @@ module ActiveRecord
             if @reflection.source_reflection.options[:as]
               polymorphic_join = "AND %s.%s = %s" % [
                 @reflection.table_name, "#{@reflection.source_reflection.options[:as]}_type",
-                @owner.class.quote(@reflection.through_reflection.klass.name)
+                @owner.class.quote_value(@reflection.through_reflection.klass.name)
               ]
             end
           end