A Boxing Day discount offered online by The Brick really was too good to be true.

The Canadian furniture and electronics retailer says the additional 50 per cent discount applied to online purchases on Dec. 24 and Dec. 25 was actually a mistake, and now the company says it won't honour the price its customers thought they had paid.

Instead, The Brick is offering to credit 10 per cent of the purchase price back to affected customers, to be put toward future purchases.

"The Brick apologies (sic) for the confusion and is currently working to contact all affected customers to advise of correct pricing," the company wrote in a statement on its Facebook page.

The Brick also asked customers who received the 50 per cent discount to contact the company with their invoice details.

As the store’s customers took to social media to express their anger, many said they don't plan on shopping at The Brick again.

Montreal resident Sherryar Khan said the $400 table set he purchased was reduced to $200 when he proceeded to The Brick’s online checkout page. He even received an email from the company confirming his purchase.

Khan say he stopped looking at other Boxing Day deals after purchasing the table.

"To me it's quite disappointing because I'm not being compensated for the deals that I couldn't access because of them," he told CTV Montreal.

According to Quebec's office of consumer protection, the price on a receipt is legally binding and must be honoured.

The Brick wasn't the only company to experience a holiday pricing glitch.

On Thursday some lucky fliers capitalized on extreme low airfare prices that were being offered by Delta Air Lines.

The company said that while the prices were the result of a computer glitch, Delta will honour any fares purchased for the incorrect price.

With files from CTV Montreal