Manager Gary Rowett says Birmingham's 2-1 win over Watford should give his team belief to move up the table.
Blues followed up a 0-0 draw at Wolves in Rowett's first match in charge by beating the Hornets, who started Tuesday's game top of the Championship.
The win was Blues' third this season and only their second at St Andrew's in their last 26 home league games.
"It should give them confidence but it's only four points from two games," Rowett, 40, told BBC WM 95.6.
"We aren't going to get carried away. They've shown what they can do and I think we can get much better as well."
"What's greatly enthused me is that I've seen just a little bit of what I think the team can achieve," Rowett, who celebrated his first win as Blues boss, continued.
"They certainly shouldn't be fearful about the rest of the games. We haven't achieved anything at all yet but it's a good start."
|Donaldson's double delight|
|Clayton Donaldson has now scored five goals in all competitions so far this season, two more than any other Birmingham player.|
|His double on Tuesday was the first time a Birmingham City player had scored a brace since Federico Macheda netted twice in a 3-1 win at Doncaster on 5 April.|
Tuesday's victory came thanks to two goals from top scorer Clayton Donaldson, the first of them coming inside two minutes.
"The atmosphere was electric from the start," the striker added. "I think that definitely helped the players.
"He (Rowett) has told us all to forget about what's happened in the past. It's given us a new lease of life to be honest. I think that's good for the club and good for the players going forward.
"He's built a new buzz around the players and it's probably something that we needed. Everything was a bit flat before. It's good to see the fans leaving with a smile on their faces."