diff --git a/dhp-workflows/dhp-graph-mapper/src/main/scala/eu/dnetlib/dhp/oa/graph/hostedbymap/SparkProduceHostedByMap.scala b/dhp-workflows/dhp-graph-mapper/src/main/scala/eu/dnetlib/dhp/oa/graph/hostedbymap/SparkProduceHostedByMap.scala
index 9e3a451e8..2b89573f4 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/scala/eu/dnetlib/dhp/oa/graph/hostedbymap/SparkProduceHostedByMap.scala
+++ b/dhp-workflows/dhp-graph-mapper/src/main/scala/eu/dnetlib/dhp/oa/graph/hostedbymap/SparkProduceHostedByMap.scala
@@ -115,14 +115,25 @@ object SparkProduceHostedByMap {
   def oaToHostedbyItemType(dats: Datasource): HostedByItemType = {
     if (dats.getJournal != null) {
 
+      if(dats.getOfficialname != null) {
+        return getHostedByItemType(
+          dats.getId,
+          dats.getOfficialname.getValue,
+          dats.getJournal.getIssnPrinted,
+          dats.getJournal.getIssnOnline,
+          dats.getJournal.getIssnLinking,
+          false
+        )
+      }
       return getHostedByItemType(
         dats.getId,
-        dats.getOfficialname.getValue,
+        "",
         dats.getJournal.getIssnPrinted,
         dats.getJournal.getIssnOnline,
         dats.getJournal.getIssnLinking,
         false
       )
+
     }
     HostedByItemType("", "", "", "", "", false)
   }