Call super when constructing node collection

diff --git a/lib/serpentity/node_collection.js b/lib/serpentity/node_collection.js
index bb66a8db67c7f1e06720faeab77bec7328c8c490..73998b123500f36a6a3b828b672d10720235bfe8 100644 (file)
--- a/lib/serpentity/node_collection.js
+++ b/lib/serpentity/node_collection.js
@@ -14,6 +14,8 @@ const NodeCollection = class NodeCollection extends Events {
 
   constructor(config) {
 
+    super();
+
     this.nodes = [];
     this.type = null;