diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/country/GetDatasourceFromCountry.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/country/GetDatasourceFromCountry.java
index dd5af6998..d3741d3e8 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/country/GetDatasourceFromCountry.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/country/GetDatasourceFromCountry.java
@@ -65,7 +65,6 @@ public class GetDatasourceFromCountry implements Serializable {
 			conf,
 			isSparkSessionManaged,
 			spark -> {
-
 				getDatasourceFromCountry(spark, country, inputPath, workingPath);
 			});
 	}
@@ -83,7 +82,6 @@ public class GetDatasourceFromCountry implements Serializable {
 				(FilterFunction<Organization>) o -> !o.getDataInfo().getDeletedbyinference() &&
 					o.getCountry().getClassid().length() > 0 &&
 					o.getCountry().getClassid().equals(country));
-		;
 
 		// filtering of the relations taking the non deleted by inference and those with IsProvidedBy as relclass
 		Dataset<Relation> relation = spark
@@ -97,7 +95,7 @@ public class GetDatasourceFromCountry implements Serializable {
 					!rel.getDataInfo().getDeletedbyinference());
 
 		organization
-			.joinWith(relation, organization.col("id").equalTo(relation.col("target")), "left")
+			.joinWith(relation, organization.col("id").equalTo(relation.col("target")))
 			.map((MapFunction<Tuple2<Organization, Relation>, String>) t2 -> t2._2().getSource(), Encoders.STRING())
 			.write()
 			.mode(SaveMode.Overwrite)