diff --git a/lib/bcoin/utils.js b/lib/bcoin/utils.js
index bdb6b365..5d78ab90 100644
--- a/lib/bcoin/utils.js
+++ b/lib/bcoin/utils.js
@@ -549,7 +549,7 @@ utils.equal = function equal(a, b) {
  */
 
 if (utils.isBrowser)
-  require('../../browser/setimmediate');
+  require('../../vendor/setimmediate');
 
 if (typeof setImmediate === 'function') {
   utils.nextTick = setImmediate;
diff --git a/browser/setimmediate.js b/vendor/setimmediate.js
similarity index 100%
rename from browser/setimmediate.js
rename to vendor/setimmediate.js