diff --git a/entity/ObjectTree_entity/recordcontainers/jdito/contentProcess.js b/entity/ObjectTree_entity/recordcontainers/jdito/contentProcess.js
index 19ada032877628d8aab5aed38edb2e0008854eea..480c8855782d32cc2ffd73956fab7b40452c715e 100644
--- a/entity/ObjectTree_entity/recordcontainers/jdito/contentProcess.js
+++ b/entity/ObjectTree_entity/recordcontainers/jdito/contentProcess.js
@@ -83,7 +83,7 @@ else
     }
     
     // get the base object types / ids to load the tree fo
-    if (vars.get("$param.ObjectIds_param") && vars.get("$param.ObjectTypes_param")) 
+    if (vars.exists("$param.ObjectIds_param") && vars.get("$param.ObjectIds_param") && vars.get("$param.ObjectTypes_param")) 
     {
         var originalObjectIds = JSON.parse(vars.getString("$param.ObjectIds_param"));
         var originalObjectTypes = JSON.parse(vars.getString("$param.ObjectTypes_param"));