Roy Hodgson was keen to emphasise on Friday that the job was only half done, and Gerrard insists no-one in the squad will under-estimate the Poles.
"I would be very surprised if any of our players showed complacency" Gerrard said.
"Everyone looked sharp, focused and ready in training."
Gerrard will earn his 107th cap on Tuesday, moving him ahead of Sir Bobby Charlton up to fourth in England's all-time appearance list.
The 33-year-old is proud of the honour, but concedes it will mean little if England do not pick up the three points.
"It is nice to pass landmarks and break records as you go along, but for me the main focus for me is getting to Brazil," he added.
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