lib/unread/reader_scopes.rb in unread-0.6.1 vs lib/unread/reader_scopes.rb in unread-0.6.2

@@ -10,10 +10,10 @@
                AND read_marks.user_id        = #{quoted_table_name}.#{quoted_primary_key}
                AND read_marks.timestamp     >= '#{connection.quoted_date readable.send(readable.class.readable_options[:on])}'"
       end
 
       def have_not_read(readable)
-        join_read_marks(readable).where("read_marks.id IS NULL")
+        join_read_marks(readable).where('read_marks.id IS NULL')
       end
 
       def have_read(readable)
         join_read_marks(readable).where('read_marks.id IS NOT NULL')
       end
\ No newline at end of file