diff --git a/packages/plugin-compat/extra/typescript/gen-typescript-patch.js b/packages/plugin-compat/extra/typescript/gen-typescript-patch.js
index e8703041e29b..f8196a471e0e 100644
--- a/packages/plugin-compat/extra/typescript/gen-typescript-patch.js
+++ b/packages/plugin-compat/extra/typescript/gen-typescript-patch.js
@@ -297,6 +297,11 @@ async function validate(version, patchFile) {
 
   const code = Math.floor(Math.random() * 0x100000000).toString(16).padStart(8, `0`);
   const tmpDir = path.join(TMP_DIR, `${code}`);
+  if (fs.existsSync(tmpDir)) {
+    console.log(`Clearing existing folder`);
+    await fs.promises.rm(tmpDir, {force: true, recursive: true});
+  }
+
   await fs.promises.mkdir(tmpDir, {recursive: true});
 
   let patch = await fs.promises.readFile(patchFile, `utf8`);