After a difficult tour of South Africa saw Franco Smith's side return empty-handed from defeats in both fixtures, the Warriors relinquished top spot in the URC standings for the first time in several weeks. With two regular-season matches remaining, Glasgow now sit one point behind the Stormers in a fiercely competitive race for home advantage in the play-offs.
The Warriors welcome Cardiff to Scotstoun this weekend knowing every point could prove decisive, with several sides still capable of climbing into the top positions.
Speaking to Scotland Rugby News ahead of the clash, Miller explained how the squad's mindset has shifted as they chase down the teams above them.
"You'd want to be first, but it's that kind of top-to-bottom. We're now back at being hunters, that sort of mindset," said the back-row man.
"It's just all about getting your head down. If we put in our work, then we should get the result we want."
Glasgow head into the fixture determined to respond after a run of three consecutive defeats across all competitions, including a first home loss of the season against Toulon in the Champions Cup.
Despite that setback, Miller insists confidence at Scotstoun remains high, particularly with another special atmosphere expected for Plaster It Purple.
"To be honest, we haven't really spoken about it too much," he said.
"I think the energy here when we come to Scotstoun is brilliant, especially with the Plaster at Purple this weekend. So, there's a lot of emotion that we can pull into this weekend.
"I don't think we've been too focused on that lingering thing of an unbeaten streak at home, but we take a lot of confidence when we play here."
Cardiff arrive in Glasgow in the hunt for a play-off place themselves, adding further significance to Friday's encounter.
"We're both fighting for slots, home advantage going into the knockout stages, every point counts now," Miller added.
"With them sitting in sixth at the moment, it's a really competitive run into the playoff games."
Asked whether opponents may now feel more confident travelling to Scotstoun following the defeat to Toulon, Miller remained focused on Glasgow delivering their own standards.
"I don't know, ask them. I'm not sure to be honest," he said.
"I think any team that comes to Scotstoun, I don't know what the weather's like at the weekend, but it's normally horizontal, wind and rain. You know what to expect. We just need to deliver it on the weekend."