diff --git a/lib/classes/databox.class.php b/lib/classes/databox.class.php
index 0f84bc5883..0761adba69 100644
--- a/lib/classes/databox.class.php
+++ b/lib/classes/databox.class.php
@@ -858,7 +858,9 @@ class databox extends base
                     )
                 ) ? $type : databox_field::TYPE_STRING;
 
-            $meta_struct_field = databox_field::create($this, $fname, false);
+            $multi = isset($field['multi']) ? (Boolean) $field['multi'] : false;
+
+            $meta_struct_field = databox_field::create($this, $fname, $multi);
             $meta_struct_field
                 ->set_readonly(isset($field['readonly']) ? $field['readonly'] : 0)
                 ->set_indexable(isset($field['index']) ? $field['index'] : '1')
diff --git a/lib/conf.d/data_templates/en-simple.xml b/lib/conf.d/data_templates/en-simple.xml
index d96d3ced22..59ad3eb7a1 100644
--- a/lib/conf.d/data_templates/en-simple.xml
+++ b/lib/conf.d/data_templates/en-simple.xml
@@ -301,7 +301,7 @@
     <description>
         <Object src="IPTC:ObjectName" />
         <Category src="IPTC:Category"/>
-        <SupplCategory src="IPTC:SupplementalCategories"/>
+        <SupplCategory src="IPTC:SupplementalCategories" multi="1"/>
         <Keywords src="IPTC:Keywords" multi="1"/>
         <SpecialInstruct src="IPTC:SpecialInstructions"/>
         <Date src="IPTC:DateCreated" type="date" />
diff --git a/lib/conf.d/data_templates/fr-simple.xml b/lib/conf.d/data_templates/fr-simple.xml
index fc22eff384..3b01aafcec 100755
--- a/lib/conf.d/data_templates/fr-simple.xml
+++ b/lib/conf.d/data_templates/fr-simple.xml
@@ -301,7 +301,7 @@
     <description>
         <Objet src="IPTC:ObjectName" />
         <Categorie src="IPTC:Category"/>
-        <AutresCategories src="IPTC:SupplementalCategories"/>
+        <AutresCategories src="IPTC:SupplementalCategories" multi="1"/>
         <MotsCles src="IPTC:Keywords" multi="1"/>
         <Observations src="IPTC:SpecialInstructions"/>
         <Date src="IPTC:DateCreated" type="date" />