diff --git a/packages/twoslash-cli/index.js b/packages/twoslash-cli/index.js
index 0cd3515..caee285 100644
--- a/packages/twoslash-cli/index.js
+++ b/packages/twoslash-cli/index.js
@@ -15,6 +15,7 @@ import { join, dirname } from "path"
 import remarkShikiTwoslash from "remark-shiki-twoslash"
 import { basename, extname, sep } from "path"
 import { tmpdir } from "os"
+import ts from "typescript"
 
 export const canConvert = (path) => {
   const usable = [".md", ".ts", ".js", ".tsx", ".jsx"]
@@ -90,6 +91,14 @@ async function renderMarkdown(args) {
   const settings = getSettingsFromMarkdown(fileContent, from) || {}
   const markdownAST = remark().parse(fileContent)
 
+  if (settings.defaultCompilerOptions) {
+    const {options} = ts.convertCompilerOptionsFromJson(settings.defaultCompilerOptions, ".")
+    settings.defaultCompilerOptions = {
+      ...settings.defaultCompilerOptions,
+      ...options,
+    }
+  }
+
   try {
     // @ts-ignore
     await remarkShikiTwoslash.default(settings)(markdownAST)