diff --git a/extensions/markdown-math/package.json b/extensions/markdown-math/package.json
index 62400fbd6e..b7a2ad267b 100644
--- a/extensions/markdown-math/package.json
+++ b/extensions/markdown-math/package.json
@@ -35,7 +35,7 @@
     ],
     "markdown.markdownItPlugins": true,
     "markdown.previewStyles": [
-      "./node_modules/katex/dist/katex.min.css",
+      "./notebook-out/katex.min.css",
       "./preview-styles/index.css"
     ],
     "configuration": [