KENNY Jackett admits Millwall's defensive fragility is still a concern as they prepare to welcome Birmingham City to The Den on Tuesday night.
The Lions are unbeaten in their last four games after claiming a point against Crystal Palace at the weekend, but Jackett was frustrated to see his side concede two goals for the fifth time in seven matches.
"We have to focus on ourselves now," he said. "A point at Palace looks a good point if you can win your home games.
"We have to capitalise against Birmingham and Huddersfield this week when we go back to The Den.
"Before the international break we beat Bolton on the back of two away points. Draws look good if you follow them up with a home victory."
And speaking to the club's official site, Jackett added: "The goals against column is still a concern. We have to do better defensively, definitely.
"We have to sustain periods of pressure without conceding goals. We're unbeaten in four games but those things we have to keep working on."