diff --git a/dhp-workflows/dhp-doiboost/src/main/scala/eu/dnetlib/doiboost/SparkGenerateDoiBoost.scala b/dhp-workflows/dhp-doiboost/src/main/scala/eu/dnetlib/doiboost/SparkGenerateDoiBoost.scala
index 10a5be969..2cbd53097 100644
--- a/dhp-workflows/dhp-doiboost/src/main/scala/eu/dnetlib/doiboost/SparkGenerateDoiBoost.scala
+++ b/dhp-workflows/dhp-doiboost/src/main/scala/eu/dnetlib/doiboost/SparkGenerateDoiBoost.scala
@@ -129,11 +129,9 @@ object SparkGenerateDoiBoost {
       .map(DoiBoostMappingUtil.fixPublication)
       .map(p => (p.getId, p))
       .groupByKey(_._1)
-      .reduceGroups((left, right) =>
-      {
+      .reduceGroups((left, right) => {
         //Check left is not  null
-        if (left != null && left._1 != null)
-        {
+        if (left != null && left._1 != null) {
           //If right is null then return left
           if (right == null || right._2 == null)
             left
@@ -151,21 +149,17 @@ object SparkGenerateDoiBoost {
             //Return publication Merged
             (b1.getId, b1)
           }
-        }
-        else {
+        } else {
           // Left is Null so we return right
           right
         }
-      }
-
-      )
-      .filter(s => s!= null && s._2!=null)
+      })
+      .filter(s => s != null && s._2 != null)
       .map(s => s._2._2)
       .write
       .mode(SaveMode.Overwrite)
       .save(s"$workingDirPath/doiBoostPublicationFiltered")
 
-
     val affiliationPath = parser.get("affiliationPath")
     val paperAffiliationPath = parser.get("paperAffiliationPath")
 
@@ -290,4 +284,4 @@ object SparkGenerateDoiBoost {
       .save(s"$workingDirPath/doiBoostOrganization")
   }
 
-}
\ No newline at end of file
+}