diff --git a/dhp-common/src/main/java/eu/dnetlib/dhp/oa/merge/DispatchEntitiesSparkJob.java b/dhp-common/src/main/java/eu/dnetlib/dhp/oa/merge/DispatchEntitiesSparkJob.java
index 4d2ccb178..cf0a183d7 100644
--- a/dhp-common/src/main/java/eu/dnetlib/dhp/oa/merge/DispatchEntitiesSparkJob.java
+++ b/dhp-common/src/main/java/eu/dnetlib/dhp/oa/merge/DispatchEntitiesSparkJob.java
@@ -47,17 +47,14 @@ public class DispatchEntitiesSparkJob {
 		String outputPath = parser.get("outputPath");
 		log.info("outputPath: {}", outputPath);
 
-		boolean filterInvisible = Boolean.valueOf(parser.get("filterInvisible"));
+		boolean filterInvisible = Boolean.parseBoolean(parser.get("filterInvisible"));
 		log.info("filterInvisible: {}", filterInvisible);
 
 		SparkConf conf = new SparkConf();
 		runWithSparkSession(
 			conf,
 			isSparkSessionManaged,
-			spark -> {
-				HdfsSupport.remove(outputPath, spark.sparkContext().hadoopConfiguration());
-				dispatchEntities(spark, inputPath, outputPath, filterInvisible);
-			});
+			spark -> dispatchEntities(spark, inputPath, outputPath, filterInvisible));
 	}
 
 	private static void dispatchEntities(
@@ -72,7 +69,9 @@ public class DispatchEntitiesSparkJob {
 			String entityType = entry.getKey();
 			Class<?> clazz = entry.getValue();
 
+			final String entityPath = outputPath + "/" + entityType;
 			if (!entityType.equalsIgnoreCase("relation")) {
+				HdfsSupport.remove(entityPath, spark.sparkContext().hadoopConfiguration());
 				Dataset<Row> entityDF = spark
 					.read()
 					.schema(Encoders.bean(clazz).schema())
@@ -91,7 +90,7 @@ public class DispatchEntitiesSparkJob {
 					.write()
 					.mode(SaveMode.Overwrite)
 					.option("compression", "gzip")
-					.json(outputPath + "/" + entityType);
+					.json(entityPath);
 			}
 		});
 	}
diff --git a/dhp-workflows/dhp-impact-indicators/src/main/resources/eu/dnetlib/dhp/oa/graph/impact_indicators/oozie_app/workflow.xml b/dhp-workflows/dhp-impact-indicators/src/main/resources/eu/dnetlib/dhp/oa/graph/impact_indicators/oozie_app/workflow.xml
index 0d7d29bfe..e43e7cf14 100644
--- a/dhp-workflows/dhp-impact-indicators/src/main/resources/eu/dnetlib/dhp/oa/graph/impact_indicators/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-impact-indicators/src/main/resources/eu/dnetlib/dhp/oa/graph/impact_indicators/oozie_app/workflow.xml
@@ -39,7 +39,8 @@
 		<switch>
 			<!-- The default will be set as the normal start, a.k.a. get-doi-synonyms -->
 			<!-- If any different condition is set, go to the corresponding start -->
-			<case to="non-iterative-rankings">${wf:conf('resume') eq "rankings-start"}</case>
+			<case to="spark-cc">${wf:conf('resume') eq "cc"}</case>
+			<case to="spark-ram">${wf:conf('resume') eq "ram"}</case>
 			<case to="spark-impulse">${wf:conf('resume') eq "impulse"}</case>
 			<case to="spark-pagerank">${wf:conf('resume') eq "pagerank"}</case>
 			<case to="spark-attrank">${wf:conf('resume') eq "attrank"}</case>
@@ -89,18 +90,11 @@
 			<file>${nameNode}${wfAppPath}/create_openaire_ranking_graph.py#create_openaire_ranking_graph.py</file>
 		</spark>
 
-		<ok to="non-iterative-rankings" />
+		<ok to="spark-cc"/>
 		<error to="openaire-graph-error" />
 
 	</action>
 
-	<!-- Citation Count and RAM are calculated in parallel-->
-	<fork name="non-iterative-rankings">
-		<path start="spark-cc"/>
-		<!-- <path start="spark-impulse"/> -->
-		<path start="spark-ram"/>
-	</fork>
-
 	<!-- Run Citation Count calculation -->
 	<action name="spark-cc">
 		<spark xmlns="uri:oozie:spark-action:0.2">
@@ -129,7 +123,7 @@
 			<file>${wfAppPath}/bip-ranker/CC.py#CC.py</file>
 		</spark>
 
-		<ok to="join-non-iterative-rankings" />
+		<ok to="spark-ram" />
 		<error to="cc-fail" />
 
 	</action>
@@ -165,14 +159,11 @@
 			<file>${wfAppPath}/bip-ranker/TAR.py#TAR.py</file>
 		</spark>
 
-		<ok to="join-non-iterative-rankings" />
+		<ok to="spark-impulse" />
 		<error to="ram-fail" />
 
 	</action>
 
-	<!-- Join non-iterative methods -->
-	<join name="join-non-iterative-rankings" to="spark-impulse"/>
-
 	<action name="spark-impulse">
 		<spark xmlns="uri:oozie:spark-action:0.2">