diff --git a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/Constants.java b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/Constants.java
index 006d3af76..73b4b77cb 100644
--- a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/Constants.java
+++ b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/Constants.java
@@ -42,6 +42,9 @@ public class Constants {
 	public static final String NULL = "NULL";
 	public static final String NA = "N/A";
 
+	public static final String WEB_CRAWL_ID = "10|openaire____::fb98a192f6a055ba495ef414c330834b";
+	public static final String WEB_CRAWL_NAME = "Web Crawl";
+
 	public static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
 
 	private Constants() {
diff --git a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/webcrawl/CreateActionSetFromWebEntries.java b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/webcrawl/CreateActionSetFromWebEntries.java
index 263179d6f..e263f1694 100644
--- a/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/webcrawl/CreateActionSetFromWebEntries.java
+++ b/dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/webcrawl/CreateActionSetFromWebEntries.java
@@ -21,6 +21,7 @@ import org.slf4j.LoggerFactory;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 
+import eu.dnetlib.dhp.actionmanager.Constants;
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
 import eu.dnetlib.dhp.schema.action.AtomicAction;
 import eu.dnetlib.dhp.schema.common.ModelConstants;
@@ -29,6 +30,7 @@ import eu.dnetlib.dhp.schema.oaf.utils.IdentifierFactory;
 import eu.dnetlib.dhp.schema.oaf.utils.OafMapperUtils;
 import eu.dnetlib.dhp.schema.oaf.utils.PidCleaner;
 import eu.dnetlib.dhp.schema.oaf.utils.PidType;
+import io.netty.util.Constant;
 import scala.Tuple2;
 
 /**
@@ -44,8 +46,7 @@ public class CreateActionSetFromWebEntries implements Serializable {
 	private static final String PMID_PREFIX = "50|pmid________::";
 
 	private static final String PMCID_PREFIX = "50|pmc_________::";
-	private static final String WEB_CRAWL_ID = "10|openaire____::fb98a192f6a055ba495ef414c330834b";
-	private static final String WEB_CRAWL_NAME = "Web Crawl";
+
 	public static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
 
 	public static void main(String[] args) throws Exception {
@@ -220,7 +221,7 @@ public class CreateActionSetFromWebEntries implements Serializable {
 						ModelConstants.IS_AUTHOR_INSTITUTION_OF,
 						Arrays
 							.asList(
-								OafMapperUtils.keyValue(WEB_CRAWL_ID, WEB_CRAWL_NAME)),
+								OafMapperUtils.keyValue(Constants.WEB_CRAWL_ID, Constants.WEB_CRAWL_NAME)),
 						OafMapperUtils
 							.dataInfo(
 								false, null, false, false,
@@ -239,7 +240,7 @@ public class CreateActionSetFromWebEntries implements Serializable {
 						ModelConstants.HAS_AUTHOR_INSTITUTION,
 						Arrays
 							.asList(
-								OafMapperUtils.keyValue(WEB_CRAWL_ID, WEB_CRAWL_NAME)),
+								OafMapperUtils.keyValue(Constants.WEB_CRAWL_ID, Constants.WEB_CRAWL_NAME)),
 						OafMapperUtils
 							.dataInfo(
 								false, null, false, false,