The Reds had the best defence in the league last season, conceding just 33 goals on their way to dominating the Premier League.
Liverpool opened their title defence with a narrow 4-3 win over Leeds at Anfield on Saturday, and their defensive performance did raise concerns amongst some fans.
Fingers were pointed at Virgil van Dijk, while the Liverpool backline struggled to look solid against the Premier League new boys.
And Aldridge admits that they will need to improve their defensive performance ahead of their trip to Chelsea on Sunday.
The Liverpool legend is keen to see the defensive solidity back as soon as possible and believes if they show the same kind of shakiness at Stamford Bridge, Chelsea’s attack will punish the Reds.
“You can’t always rely on your strikers to win games”, Aldridge wrote in his column for the Liverpool Echo.
“We have to get back to keeping clean sheets and I’m sure they’ll be working on that in training for the Chelsea game.
“If we don’t defend properly at Stamford Bridge we will get punished, so it’s a case of making sure you do the basics well while doing the right things going forward.”
Jurgen Klopp will want to see his side tighten up as Chelsea have made a number of signings in the attacking third over the course of the transfer window so far.