diff --git a/lib/module.js b/lib/module.js
index 507ca83c1bca17..ac0e4ba17d59e6 100644
--- a/lib/module.js
+++ b/lib/module.js
@@ -290,6 +290,9 @@ Module._load = function(request, parent, isMain) {
 
   var cachedModule = Module._cache[filename];
   if (cachedModule) {
+    if (parent && parent.children.indexOf(cachedModule) === -1) {
+      parent.children.push(cachedModule);
+    }
     return cachedModule.exports;
   }