Welp, it looks like the wage gap may be affected by college majors, and whether the people in those majors are mostly women.

A new report from Glassdoor claims that male students dominate university majors which lead to higher-paying jobs, whereas women dominate majors that lead to lower-paying jobs.

According to Glassdoor chief economist Andrew Chamberlain and senior data analyst Jyotsna Jayaraman, this distinction could contribute to the nationwide gender pay gap, in which women earn 80 cents for every dollar a man makes – and that pay gap is even wider for women of color.

It also represents how jobs and fields considered “feminine” are historically devalued — and how women are not encouraged to pursue stereotypically “masculine” fields.

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The report studied nearly 47,000 resumes to learn that men earned $56,957 to women’s $50,426, across college majors.

Men are the majority in nine out of 10 majors that lead to the highest-paying jobs, such as engineering, IT, and statistics. Women dominated six out of 10 of the lowest-paying majors, including social work, education, and liberal arts.

This isn’t to say you shouldn’t study what you love – but you’ll probably earn a bigger salary if you happen to love engineering.