Martin Lewis has issued a warning to those who bank with Barclaycard after a rule change.
The finance guru was giving his latest tips on his ITV show, The Martin Lewis Money Show.
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He warned Barclaycard customers that minimum payments are rising by up to 50% this week.
Martin said he couldn't reveal the exact figure due to each minimum payment being personalised.
However, he said the rule change spells good and bad news for customers.
Martin said: "This is the good news, the rise means you will pay less interest and clear debt quicker.
"The bad news is it will affect your cash flow."
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Martin recommended speaking to Barclays if you are struggling or can't afford to make the minimum payments.
He added: "This may affect your cash flow so it's probably worth working out what is happening."
