diff --git a/jquery.flowchart.js b/jquery.flowchart.js
index 5c6ef03..714473d 100644
--- a/jquery.flowchart.js
+++ b/jquery.flowchart.js
@@ -253,7 +253,7 @@ $(function () {
         },
 
         _autoCreateSubConnector: function (operator, connector, connectorType, subConnector) {
-            var connectorInfos = this.data.operators[operator].properties[connectorType][connector];
+            var connectorInfos = this.data.operators[operator].internal.properties[connectorType][connector];
             if (connectorInfos.multiple) {
                 var fromFullElement = this.data.operators[operator].internal.els;
                 var nbFromConnectors = this.data.operators[operator].internal.els.connectors[connector].length;
@@ -911,7 +911,7 @@ $(function () {
         },
 
         _cleanMultipleConnectors: function (operator, connector, linkFromTo) {
-            if (!this.data.operators[operator].properties[linkFromTo == 'from' ? 'outputs' : 'inputs'][connector].multiple) {
+            if (!this.data.operators[operator].internal.properties[linkFromTo == 'from' ? 'outputs' : 'inputs'][connector].multiple) {
                 return;
             }