diff --git a/openbis_api/source/java/ch/systemsx/cisd/openbis/generic/shared/api/v1/dto/Project.java b/openbis_api/source/java/ch/systemsx/cisd/openbis/generic/shared/api/v1/dto/Project.java
index b6ed45116da0706811c6dabb3ed89ec4dc8add7f..20e69549467c18bd3e8c604181251c278ac29bad 100644
--- a/openbis_api/source/java/ch/systemsx/cisd/openbis/generic/shared/api/v1/dto/Project.java
+++ b/openbis_api/source/java/ch/systemsx/cisd/openbis/generic/shared/api/v1/dto/Project.java
@@ -18,6 +18,8 @@ package ch.systemsx.cisd.openbis.generic.shared.api.v1.dto;
 
 import java.io.Serializable;
 
+import org.codehaus.jackson.annotate.JsonIgnore;
+
 import ch.systemsx.cisd.openbis.generic.shared.basic.IIdentifierHolder;
 
 /**
@@ -85,6 +87,7 @@ public final class Project implements Serializable, IIdentifierHolder
         return code;
     }
     
+    @JsonIgnore
     public String getIdentifier()
     {
         return "/" + spaceCode + "/" + code;