diff --git a/doc/api/assert.md b/doc/api/assert.md
index 7e58c66542039f..c0a16bd957822f 100644
--- a/doc/api/assert.md
+++ b/doc/api/assert.md
@@ -269,6 +269,7 @@ process.on('exit', () => {
 
 ```cjs
 const assert = require('node:assert');
+const process = require('node:process');
 
 const tracker = new assert.CallTracker();