diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/community/Community.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/community/Community.java
index 208dc7dd2..ca601450c 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/community/Community.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/community/Community.java
@@ -24,7 +24,8 @@ public class Community implements Serializable {
 	public boolean isValid() {
 		return !getSubjects().isEmpty()
 			|| !getProviders().isEmpty()
-			|| !getZenodoCommunities().isEmpty();
+			|| !getZenodoCommunities().isEmpty()
+				|| getConstraints() != null;
 	}
 
 	public String getId() {