diff --git a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/SparkGenerateDoiBoost.scala b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/SparkGenerateDoiBoost.scala
index ec9ae455e..deda8c987 100644
--- a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/SparkGenerateDoiBoost.scala
+++ b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/SparkGenerateDoiBoost.scala
@@ -3,7 +3,7 @@ package eu.dnetlib.doiboost
 import eu.dnetlib.dhp.application.ArgumentApplicationParser
 import eu.dnetlib.dhp.oa.merge.AuthorMerger
 import eu.dnetlib.dhp.schema.common.ModelConstants
-import eu.dnetlib.dhp.schema.oaf.{Organization, Publication, Relation, Dataset => OafDataset}
+import eu.dnetlib.dhp.schema.oaf.{Author, Organization, Publication, Relation, Dataset => OafDataset}
 import eu.dnetlib.doiboost.mag.ConversionUtil
 import org.apache.commons.io.IOUtils
 import org.apache.spark.SparkConf
@@ -25,6 +25,7 @@ object SparkGenerateDoiBoost {
     val conf: SparkConf = new SparkConf()
     val parser = new ArgumentApplicationParser(IOUtils.toString(getClass.getResourceAsStream("/eu/dnetlib/dhp/doiboost/generate_doiboost_params.json")))
     parser.parseArgument(args)
+    var crossref : Boolean = true
     val spark: SparkSession =
       SparkSession
         .builder()
@@ -104,7 +105,10 @@ object SparkGenerateDoiBoost {
         val otherPub = item._2._2
         if (otherPub != null) {
           crossrefPub.mergeFrom(otherPub)
-          crossrefPub.setAuthor(DoiBoostAuthorMerger.mergeAuthor(crossrefPub.getAuthor, otherPub.getAuthor))
+          val mergeRes : (java.util.List[Author], java.lang.Boolean) = DoiBoostAuthorMerger.mergeAuthor(crossrefPub.getAuthor, otherPub.getAuthor, crossref)
+          crossrefPub.setAuthor(mergeRes._1)
+          crossref = mergeRes._2
+
         }
       }
       crossrefPub