diff --git a/RFXtoRP_HsrPrepa.ftl b/RFXtoRP_HsrPrepa.ftl
index c515154..44805db 100644
--- a/RFXtoRP_HsrPrepa.ftl
+++ b/RFXtoRP_HsrPrepa.ftl
@@ -17,7 +17,7 @@
 <#assign dataRfx = JsonUtil.decodeBase64(cloudEventMsg.data) />
 <#assign preparationOrder = JsonUtil.jsonToMap(dataRfx)>
 
-   <#if	preparationOrder.total_lv_validated !=0>
+   <#if	preparationOrder.total_lv_validated?? && preparationOrder.total_lv_validated !=0>
       <#if preparationOrder.preparation_type_code=="010" || preparationOrder.preparation_type_code=="030">
          [
             {