diff --git a/packages/react-katex/src/index.jsx b/packages/react-katex/src/index.jsx
index 0a207a4..46ee15d 100644
--- a/packages/react-katex/src/index.jsx
+++ b/packages/react-katex/src/index.jsx
@@ -41,6 +41,7 @@ const createMathComponent = (Component, { displayMode }) => {
         const html = KaTeX.renderToString(formula, {
           displayMode,
           errorColor,
+          output: "mathml",
           throwOnError: !!renderError,
         });