diff --git a/RFXtoRP_HsrPrepa.ftl b/RFXtoRP_HsrPrepa.ftl
index 1ffa770..4f4e04f 100644
--- a/RFXtoRP_HsrPrepa.ftl
+++ b/RFXtoRP_HsrPrepa.ftl
@@ -62,7 +62,7 @@
           <#assign includeHU = []>
           <#list preparation_line.despatched_ipg_list as despatched_ipg2>
           <#if despatched_ipg.hd_number == despatched_ipg2.hd_number >
-             <#assign includeHU += ["${despatched_ipg2.carton_number}"]>
+             <#assign includeHU = ["${despatched_ipg2.carton_number}"]>
           </#if>
           </#list>
           <#assign apiReflexPlatformID = ApiReflexPlatformID.HandlingunitHUsAdded> 
diff --git a/RFXtoRP_HsrPrepa_HandlingunitHUsAdded.ftl b/RFXtoRP_HsrPrepa_HandlingunitHUsAdded.ftl
index aa6e765..d0d5ded 100644
--- a/RFXtoRP_HsrPrepa_HandlingunitHUsAdded.ftl
+++ b/RFXtoRP_HsrPrepa_HandlingunitHUsAdded.ftl
@@ -12,8 +12,7 @@
 
  "Payload": {
 
-   <#-- "IncludedHandlingunitIDs":  [ <#list includeHU as hu> "${hu}"<#sep>,</#list>], -->
-   "IncludedHandlingunitIDs":  [ includeHU <#sep>,<#sep>],
+"IncludedHandlingunitIDs":  [ <#list includeHU as hu> "${hu}"<#sep>,</#list>], 
     "Information": {
       "ContainerType": "${preparation_line.despatched_hds_list[0].hd_type_code}",
       "Length": {