diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/ICommonServer.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/ICommonServer.java
index a4435ee66719685d7517fb821ebdc7e21c0a0a3d..6594f10590e2033fe3b86ea887a58d28d3e7cc83 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/ICommonServer.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/ICommonServer.java
@@ -264,7 +264,7 @@ public interface ICommonServer extends IServer
      * @return a sorted list of {@link Project}.
      */
     @Transactional(readOnly = true)
-    @RolesAllowed(RoleWithHierarchy.SPACE_OBSERVER)
+    @RolesAllowed(RoleWithHierarchy.INSTANCE_OBSERVER)
     public List<Project> listProjectsForUser(String sessionToken, String userId);
 
     /**