diff --git a/Haas_Gantry_BIDC/Bechtel SR.cps b/Haas_Gantry_BIDC/Bechtel SR.cps
index 482b246..ee521e3 100644
--- a/Haas_Gantry_BIDC/Bechtel SR.cps	
+++ b/Haas_Gantry_BIDC/Bechtel SR.cps	
@@ -927,7 +927,7 @@ function onOpen() {
       // parse string for specific tools to load
       if (getProperty("toolsToLoad") != "") {
         // get list of numbers
-        let toolNumArray = getProperty("toolsToLoad").split(',');
+        let toolNumArray = getProperty("toolsToLoad").toString().split(',');
         // iterate through and fill ranges
         for (var i = 0; i < toolNumArray.length; i++){
           toolNumArray[i] = toolNumArray[i].trim();
diff --git a/Haas_Mills_BIDC/Bechtel Milling.cps b/Haas_Mills_BIDC/Bechtel Milling.cps
index 7d911a5..bd3d7f2 100644
--- a/Haas_Mills_BIDC/Bechtel Milling.cps	
+++ b/Haas_Mills_BIDC/Bechtel Milling.cps	
@@ -1368,7 +1368,7 @@ function onOpen() {
     // parse string for specific tools to load
     if (getProperty("toolsToLoad") != "") {
       // get list of numbers
-      let toolNumArray = getProperty("toolsToLoad").split(',');
+      let toolNumArray = getProperty("toolsToLoad").toString().split(',');
 
       // iterate through and fill ranges
       for (var i = 0; i < toolNumArray.length; i++){