The woman's friend posted the image to Facebook that has since gone viral and has started a conversation about workplace equality.
The post went on to claim that women are required to buy a uniform that runs $30 (Canadian, about $24 U.S.) while men can wear their own clothing that adheres to the dress code.
Joey Restaurants told the The Independent in a statement that it was upset over the post and spoke to the employee.
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The statement to The Independent read in part, "There is no minimum height when it comes to our shoe policy. Shoes range from black dress flats, wedges and heels. For those employees wearing heels, we require the heel height to be no higher than 2.5 inches."
The company also told CBC News that employees are not charged a fee for uniforms.