diff --git a/webapp/web/templates/freemarker/edit/forms/confirmDeletePropertyForm.ftl b/webapp/web/templates/freemarker/edit/forms/confirmDeletePropertyForm.ftl
index 60c74c4e3..5fb7e245c 100644
--- a/webapp/web/templates/freemarker/edit/forms/confirmDeletePropertyForm.ftl
+++ b/webapp/web/templates/freemarker/edit/forms/confirmDeletePropertyForm.ftl
@@ -30,9 +30,9 @@
     
     <input type="hidden" name="subjectUri"   value="${editConfiguration.subjectUri}" role="input" />
     <input type="hidden" name="predicateUri" value="${editConfiguration.predicateUri}" role="input" />
-    <input type="hidden" name="domainUri" value="${editConfiguration.domainUri}" role="input" />
-    <input type="hidden" name="rangeUri" value="${editConfiguration.rangeUri}" role="input" />
-    <input type="hidden" name="deleteObjectUri" value="${editConfiguration.customDeleteObjectUri}" />
+    <input type="hidden" name="domainUri" value="${editConfiguration.domainUri!}" role="input" />
+    <input type="hidden" name="rangeUri" value="${editConfiguration.rangeUri!}" role="input" />
+    <input type="hidden" name="deleteObjectUri" value="${editConfiguration.customDeleteObjectUri!}" />
     <#if editConfiguration.dataProperty = true>
         <input type="hidden" name="datapropKey" value="${editConfiguration.datapropKey}" role="input" />
         <input type="hidden" name="vitroNsProp" value="${editConfiguration.vitroNsProperty}" role="input" />