diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/basic/dto/RoleWithHierarchy.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/basic/dto/RoleWithHierarchy.java
index cf60c2a675bda2725b14c29eefb96629435b6651..69db5426c9bf8e68859df454d7a8ee0b47c52f72 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/basic/dto/RoleWithHierarchy.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/basic/dto/RoleWithHierarchy.java
@@ -65,7 +65,7 @@ public enum RoleWithHierarchy implements IsSerializable
 
     SPACE_USER(SPACE_POWER_USER),
 
-    SPACE_OBSERVER(SPACE_USER),
+    SPACE_OBSERVER(SPACE_USER, INSTANCE_OBSERVER),
 
     SPACE_ETL_SERVER(INSTANCE_ETL_SERVER),