diff --git a/lib/utils/objects.js b/lib/utils/objects.js
index bb04d21..1ee0d71 100644
--- a/lib/utils/objects.js
+++ b/lib/utils/objects.js
@@ -44,7 +44,7 @@ Objects.prototype.pick = function (category, last) {
 
 Objects.prototype.pop = function (objectName) {
   let self = this
-  utils.getKeysFromHash(this.container).forEach(function (category) {
+  utils.common.getKeysFromHash(this.container).forEach(function (category) {
     self.container[category].forEach(function (obj) {
       if (obj.name === objectName) {
         self.container[category].splice(self.container[category].indexOf(obj), 1)