A new study finds a simple and scientific solution to help couples have more sex.

A new study found that women are more likely to initiate sex if their partners are willing to split the chores evenly.

The study, published in the Journal of Sex Research and conducted by researchers at Swinburne University of Technology, surveyed 299 Australian women between the ages of 18 and 39, comparing their relationship characteristics to sexual desire. The questions were designed to measure how balanced respondents thought their relationship was and how satisfying they were with their sex life.

As expected, the study revealed that “women in equal relationships (in terms of housework and the mental load) are more satisfied with their relationships and, in turn, feel more sexual desire than those in unequal relationships,” according to researchers.

A deeper look at the study demonstrated that splitting chores increased women’s dyadic sexual desire, which is the desire that refers to emotional and physical closeness to other people.

This isn’t the first study to find a link between more sex and splitting up chores around the house. A study published in 2016 found that heterosexual couples that were equals were happier overall, having a better connection and more sex.

“Sharing the load is beneficial. Couples who have a more equal division of labor seem to be happier, and that’s reflected in various ways, only one of which is sex,” said study co-author Sharon Sassler. “It’s kind of a no-brainer. Contributing more does make a partner appreciate what the other partner is doing.”

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The study showed that if one partner did all of the housework, they were likely to want less sex, no matter if they were men or women. “That’s a total overturning of gender roles, and neither men or women seem to be happy with that,” said Sassler.