diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/CommonServer.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/CommonServer.java
index c29ceb23f3534a5037f7125a95fb9a5fceea265a..b885fc78a55623cc5aed9421c44b81cd94e3f1e5 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/CommonServer.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/CommonServer.java
@@ -3596,6 +3596,7 @@ public final class CommonServer extends AbstractCommonServer<ICommonServerForInt
     }
 
     @Override
+    @RolesAllowed(RoleWithHierarchy.SPACE_USER)
     public List<MetaprojectAssignmentsCount> listMetaprojectAssignmentsCounts(String sessionToken)
     {
         IMetaprojectDAO metaprojectDAO = getDAOFactory().getMetaprojectDAO();