diff --git a/code/classes/SCDclass_node.m b/code/classes/SCDclass_node.m
index 1e2aade2052166ee777171ee31217dd037e8c333..eb6da9345a9b7a085f65a22264f2c48b5e53be9a 100644
--- a/code/classes/SCDclass_node.m
+++ b/code/classes/SCDclass_node.m
@@ -31,6 +31,7 @@ classdef SCDclass_node < SCDclass_component
       obj.algos   = [];
       obj.ddname  = [name,'.sldd'];
       obj.mdlname = [name,'.slx'];
+      obj.wrappers = [];
       
       % get node-specific configurations
       obj = defaultnodeconfig(obj,nodenr);