diff --git a/RFXtoRP_HsaIpgMove.ftl b/RFXtoRP_HsaIpgMove.ftl
index e1ff9be..ef559d0 100644
--- a/RFXtoRP_HsaIpgMove.ftl
+++ b/RFXtoRP_HsaIpgMove.ftl
@@ -56,7 +56,7 @@
                   <#stop>
                </#if>
             <#else>
-               <#stop Receipt reference is empty>
+               <#stop "Receipt reference is empty">
             </#if>
          <#else>
          <#-- cases of an IPG move with quantity = 0 (weight modification)-->