diff --git a/APPL/MJB/mjb_search_list.asp b/APPL/MJB/mjb_search_list.asp
index dc17b46f3f..e9def09459 100644
--- a/APPL/MJB/mjb_search_list.asp
+++ b/APPL/MJB/mjb_search_list.asp
@@ -268,8 +268,8 @@ var transitParam = buildTransitParam(["disc", "srtgroep", "srtdeel", "srtcontrol
             rowdata = eval('(' + rowArray[i].getAttribute("ROWDATA") + ')');
 
             // Delete the following ins_deelsrtcontrole records
-            if (rowdata.insDeelSrtContrKey    && rowdata.insDeelSrtContrKey > -1    &&
-                rowdata.insDeelSrtContrStatus && rowdata.insDeelSrtContrStatus == 0 && // Ingepland (0)
+            if (rowdata.insDeelSrtContrKey    != null && rowdata.insDeelSrtContrKey > -1    &&
+                rowdata.insDeelSrtContrStatus != null && rowdata.insDeelSrtContrStatus == 0 && // Ingepland (0)
               (!rowdata.insScenKey || rowdata.insScenKey == 1))
             {
               ins_key_arr.push(rowdata.insKey);