diff --git a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/personentity/ExtractPerson.java b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/personentity/ExtractPerson.java
index 6830f2291..6976def4c 100644
--- a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/personentity/ExtractPerson.java
+++ b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/personentity/ExtractPerson.java
@@ -15,6 +15,7 @@ import java.util.stream.Collectors;
 
 import org.apache.commons.cli.ParseException;
 import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang.StringUtils;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FSDataOutputStream;
 import org.apache.hadoop.fs.FileSystem;
@@ -193,8 +194,8 @@ public class ExtractPerson implements Serializable {
 	private static Relation getProjectRelation(String project, String orcid, String role) {
 
 		String source = PERSON_PREFIX + "::" + IdentifierFactory.md5(orcid);
-		String target = PROJECT_ID_PREFIX + project.substring(0, 14)
-			+ IdentifierFactory.md5(project.substring(15));
+		String target = PROJECT_ID_PREFIX + StringUtils.substringBefore(project, "::") + "::"
+			+ IdentifierFactory.md5(StringUtils.substringAfter(project, "::"));
 		List<KeyValue> properties = new ArrayList<>();
 
 		Relation relation = OafMapperUtils