diff --git a/dhp-workflows/dhp-blacklist/src/main/java/eu/dnetlib/dhp/blacklist/SparkRemoveBlacklistedRelationJob.java b/dhp-workflows/dhp-blacklist/src/main/java/eu/dnetlib/dhp/blacklist/SparkRemoveBlacklistedRelationJob.java
index d252722637..fe60027102 100644
--- a/dhp-workflows/dhp-blacklist/src/main/java/eu/dnetlib/dhp/blacklist/SparkRemoveBlacklistedRelationJob.java
+++ b/dhp-workflows/dhp-blacklist/src/main/java/eu/dnetlib/dhp/blacklist/SparkRemoveBlacklistedRelationJob.java
@@ -62,8 +62,8 @@ public class SparkRemoveBlacklistedRelationJob {
 			spark -> {
 				removeBlacklistedRelations(
 					spark,
-					inputPath,
 					blacklistPath,
+					inputPath,
 					outputPath,
 					mergesPath);
 			});
@@ -76,30 +76,34 @@ public class SparkRemoveBlacklistedRelationJob {
 		Dataset<Relation> inputRelation = readRelations(spark, inputPath);
 		Dataset<Relation> mergesRelation = readRelations(spark, mergesPath);
 
+		log.info("InputRelationCount: {}", inputRelation.count());
+
 		Dataset<Relation> dedupSource = blackListed
 			.joinWith(mergesRelation, blackListed.col("source").equalTo(mergesRelation.col("target")), "left_outer")
 			.map(c -> {
-				Optional<Relation> merged = Optional.ofNullable(c._2());
-				Relation bl = c._1();
-				if (merged.isPresent()) {
-					bl.setSource(merged.get().getSource());
-				}
-				return bl;
+				Optional
+					.ofNullable(c._2())
+					.ifPresent(mr -> c._1().setSource(mr.getSource()));
+				return c._1();
 			}, Encoders.bean(Relation.class));
 
 		Dataset<Relation> dedupBL = dedupSource
 			.joinWith(mergesRelation, dedupSource.col("target").equalTo(mergesRelation.col("target")), "left_outer")
 			.map(c -> {
-				Optional<Relation> merged = Optional.ofNullable(c._2());
-				Relation bl = c._1();
-				if (merged.isPresent()) {
-					bl.setTarget(merged.get().getSource());
-				}
-				return bl;
+				Optional
+					.ofNullable(c._2())
+					.ifPresent(mr -> c._1().setTarget(mr.getSource()));
+				return c._1();
 			}, Encoders.bean(Relation.class));
 
-		inputRelation
-			.joinWith(dedupBL, inputRelation.col("source").equalTo(dedupBL.col("source")), "left_outer")
+		dedupBL
+			.write()
+			.json(blacklistPath + "/deduped");
+
+		Dataset<Relation> tmp = inputRelation
+			.joinWith(
+				dedupBL, inputRelation.col("source").equalTo(dedupBL.col("source")),
+				"left_outer")
 			.map(c -> {
 				Relation ir = c._1();
 				Optional<Relation> obl = Optional.ofNullable(c._2());
@@ -111,12 +115,15 @@ public class SparkRemoveBlacklistedRelationJob {
 				return ir;
 
 			}, Encoders.bean(Relation.class))
-			.filter(r -> !(r == null))
-			.toJSON()
+			.filter(r -> r != null);
+
+		log.info("NumberOfRelationAfterBlacklisting: {} ", tmp.count());
+
+		tmp
 			.write()
 			.mode(SaveMode.Overwrite)
-			.option("conpression", "gzip")
-			.text(outputPath);
+			.option("compression", "gzip")
+			.json(outputPath);
 
 	}
 
diff --git a/dhp-workflows/dhp-blacklist/src/main/resources/eu/dnetlib/dhp/blacklist/oozie_app/workflow.xml b/dhp-workflows/dhp-blacklist/src/main/resources/eu/dnetlib/dhp/blacklist/oozie_app/workflow.xml
index 78bac5eafe..855cac65eb 100644
--- a/dhp-workflows/dhp-blacklist/src/main/resources/eu/dnetlib/dhp/blacklist/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-blacklist/src/main/resources/eu/dnetlib/dhp/blacklist/oozie_app/workflow.xml
@@ -62,7 +62,7 @@
                 --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
                 --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
             </spark-opts>
-            <arg>--sourcePath</arg><arg>${sourcePath}</arg>
+            <arg>--sourcePath</arg><arg>${sourcePath}/relation</arg>
             <arg>--outputPath</arg><arg>${workingDir}/mergesRelation</arg>
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
         </spark>
@@ -86,7 +86,7 @@
                 --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
                 --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
             </spark-opts>
-            <arg>--sourcePath</arg><arg>${sourcePath}</arg>
+            <arg>--sourcePath</arg><arg>${sourcePath}/relation</arg>
             <arg>--outputPath</arg><arg>${workingDir}/relation</arg>
             <arg>--hdfsPath</arg><arg>${workingDir}/blacklist</arg>
             <arg>--mergesPath</arg><arg>${workingDir}/mergesRelation</arg>