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Turns out that Kim Kardashian’s pregnancy is good business for more than just tabloids.

In the days since announcing she is expecting with boyfriend Kanye West, the reality starlet’s original claim to fame—her sex tape—has had an 80 percent jump in sales. Though perhaps an odd way to mark news of the baby, the spike follows an upward trend in sales ever since West and Kardashian began dating earlier this year.

The 2003 tape of Kardashian with then-boyfriend Ray J first leaked in 2007. Kardashian allowed it to stay on the market after she was paid $5 million by the distributor.