diff --git a/package.json b/package.json
index 17ea012..996df9c 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   ],
   "scripts": {
     "typescript": "tsc --project ./test/tsconfig.json",
-    "test": "standard && tape test/test.js test/uniqueness.js test/buffer.ts | tap-dot && npm run typescript"
+    "test": "standard && tape test/test.js test/uniqueness.js test/buffer.js | tap-dot && npm run typescript"
   },
   "repository": {
     "type": "git",
diff --git a/test/buffer.ts b/test/buffer.js
similarity index 79%
rename from test/buffer.ts
rename to test/buffer.js
index 26fd85c..b02b0b1 100644
--- a/test/buffer.ts
+++ b/test/buffer.js
@@ -3,13 +3,13 @@ const test = require('tape')
 const proxyquire = require('proxyquire')
 
 test('require buffer', function (t) {
-  t.plan(2);
+  t.plan(2)
 
   const instance = hyperid()
   const id = instance()
   t.ok(id)
 
-  proxyquire('../hyperid', { 'buffer': { Buffer: null } });
+  proxyquire('../hyperid', { buffer: { Buffer: null } })
   const instance2 = hyperid()
   const id2 = instance2()
   t.ok(id2)