diff --git a/src/main/java/org/gcube/data_catalogue/grsf_publish_ws/utils/CommonServiceUtils.java b/src/main/java/org/gcube/data_catalogue/grsf_publish_ws/utils/CommonServiceUtils.java
index 87ecd79..8a6b02b 100644
--- a/src/main/java/org/gcube/data_catalogue/grsf_publish_ws/utils/CommonServiceUtils.java
+++ b/src/main/java/org/gcube/data_catalogue/grsf_publish_ws/utils/CommonServiceUtils.java
@@ -283,7 +283,7 @@ public class CommonServiceUtils {
 
 				}
 
-				if(source.equals(Sources.GRSF) && keyField.equals(Constants.CONNECTED_JSON_KEY)){
+				if(source.equals(Sources.GRSF) && keyField.equals(Constants.CONNECTED_CUSTOM_KEY)){
 					List asList = (List)f;
 					if(asList == null || asList.isEmpty()){
 						extras.put(keyField, Arrays.asList(Constants.NO_CONNECTED_RECORDS));