diff --git a/test/integration/pen.js b/test/integration/pen.js
index 7df798e7b..bb9f7c828 100644
--- a/test/integration/pen.js
+++ b/test/integration/pen.js
@@ -2,7 +2,7 @@ const Worker = require('tiny-worker');
 const path = require('path');
 const test = require('tap').test;
 
-const Scratch3PenBlocks = require('../../src/blocks/scratch3_pen');
+const Scratch3PenBlocks = require('../../src/extensions/scratch3_pen/index.js');
 const VirtualMachine = require('../../src/index');
 const dispatch = require('../../src/dispatch/central-dispatch');