"It's up to us to keep it going, everyone thinks it’s a fluke us being up there but it's not," he told BBC WM.
"The lads work extremely hard in training and the gaffer sets us up each week to counter the opposition."
"I think they'll be wary of us and it'll be a tough test at the Hawthorns where we have picked up some good wins along the way this season," Morrison said.
"When we played Man City we should have got something out of it.
"We went for the win and didn't get it, but we will be going for a win against Chelsea."