Rotherham assistant manager Paul Raynor labelled his side's home defeat to fellow promotion hopefuls Port Vale as a disappointment and was frustrated by his side's lack of spark.
The Millers were undone by former striker Tom Pope who scored against his old club for the fifth time this season. After Louis Dodds opened the scoring for Vale after 55 minutes and Pope added the second eight minutes later.
Kieran Agard gave Rotherham hope eight minutes from the end, but Rotherham could not add to that as Vale held out against tremendous home pressure.
"We were obviously disappointed with the scoreline," Raynor said. "Vale came with a game plan to hit us on the break and they had two chances and they punished us. We had possession but we did not create the opportunities to match that.
"They were very physical and defended in numbers. We tried different formations and different substitutions but it didn't work on the day. We didn't seem to have that spark which is disappointing because it has been there in previous weeks.
"Conceding two goals as quickly as we did in the second half rocked us a bit, but if we could have got one back a bit quicker, who knows what could have happened. We have been inconsistent this season and consistency is the key to any season. We weren't at our best today, but there is still a long way to go."
Vale manager Micky Adams described the result as 'a fantastic performance' by his team.
"As a result we've come away with three points," he said. "Coming into this stadium inspired me because it's a magnificent new stadium, a full house and against a team that were flying high - and I still maintain Rotherham will be there or there abouts come the end of the season - so we needed some big performances and we got them.
"But in the end its only three points. We are half way through the season and we have 43 points. If we replicate that through the rest of the season we will achieve all our goals and ambitions.
"Our results so far speak for themselves. We are up there to be shot at .We have just got to concentrate on ourselves and prepare for games and the effort and enthusiasm they have shown today will carry them a long way."