For real fans of the McDonald's McRib sandwich this is almost tragic.

McDonalds usually puts the McRib back on the menu at the end of October, then drops it again before the end of November, but this year you will have to wait even longer.

The people at "Advertising Age" magazine got a copy of an internal McDonald's memo that says the restaurant chain has decided to wait until mid-December this year for the return of the McRib. The reason is that they are hoping it boosts winter sales, which are usually pretty slow.