diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/03_insert_defaults_for_record_template.sparql b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/03_insert_defaults_for_record_template.sparql
index 33494b1..911246b 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/03_insert_defaults_for_record_template.sparql
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/03_insert_defaults_for_record_template.sparql
@@ -66,7 +66,8 @@ WHERE {
 };
 
 PREFIX aocat: <https://www.ariadne-infrastructure.eu/resource/ao/cat/1.1/>
-PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
+PREFIX rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX  skos: <http://www.w3.org/2004/02/skos/core#>
 INSERT {
     GRAPH <https://ariadne-infrastructure.eu/api_________::ariadne_plus::<PROVIDER>::<COLL>> {
         ?s	aocat:has_type <https://ariadne-infrastructure.eu/aocat/Concept/AO_Type/provided%20record> .