diff --git a/lib/container.js b/lib/container.js
index 13df14c51..8a00eb785 100644
--- a/lib/container.js
+++ b/lib/container.js
@@ -420,7 +420,8 @@ function loadSupportObject(modulePath, supportObjectName) {
     if (typeof obj === 'function') {
       // If it's a class (constructor function)
       if (obj.prototype && obj.prototype.constructor === obj) {
-        return new obj()
+        const ClassName = obj;
+        return new ClassName();
       }
       // If it's a regular function
       return obj()