Second Division leaders Morton ensured there was no giant-killing act in the Scottish Cup at Galabank with an emphatic victory over Annan.
Stewart Greacen opened the scoring in eight minutes with a powerful header from Jim McAlister's cross.
Peter Weatherson fired home the second for the Greenock side from 25-yards just after the half-hour mark.
Jamie Stevenson headed Morton's third after 37 minutes to seal victory and extinguish Annan's cup dream.
Annan Athletic: Calder, Wilby, McGuffie, Martin Bell, Hill, Jack, Sloan, Jarding, Hore (Graeme Bell 74), Tucker, Grainger. Subs Not Used: McMennamin, Patterson, Allen, McCulloch.
Morton: Mathers, Weatherson, Macgregor, Harding, Greacen (Lilley 68), McLaughlin, Millar, Stevenson (Finlayson 76), Templeman (Walker 68), McGowen, McAlistair. Subs Not Used: Russell, McGurn.
Booked: Greacen. Goals: Greacen 7, Weatherson 30, Stevenson 37.
Ref: D Summers