diff --git a/api/api-iam/iam-external/src/main/java/fr/gouv/vitamui/iam/external/server/service/GroupExternalService.java b/api/api-iam/iam-external/src/main/java/fr/gouv/vitamui/iam/external/server/service/GroupExternalService.java
index 0167ab5beff955ebdf27b1bd8888df11922fb45a..4f3a6c760403669f6941438479ae3710824c078d 100644
--- a/api/api-iam/iam-external/src/main/java/fr/gouv/vitamui/iam/external/server/service/GroupExternalService.java
+++ b/api/api-iam/iam-external/src/main/java/fr/gouv/vitamui/iam/external/server/service/GroupExternalService.java
@@ -75,6 +75,11 @@ import lombok.Setter;
 @Service
 public class GroupExternalService extends AbstractResourceClientService<GroupDto, GroupDto> {
 
+    private static final String IDENTIFIER_KEY = "identifier";
+    private static final String NAME_KEY = "name";
+    private static final String ENABLED_KEY = "enabled";
+    private static final String DESCRIPTION_KEY = "description";
+
     private final GroupInternalRestClient groupInternalRestClient;
 
     @Autowired
@@ -128,7 +133,7 @@ public class GroupExternalService extends AbstractResourceClientService<GroupDto
 
     @Override
     public Collection<String> getAllowedKeys() {
-        return Arrays.asList("id", "name", "enabled", "description", LEVEL_KEY, CUSTOMER_ID_KEY);
+        return Arrays.asList(IDENTIFIER_KEY, NAME_KEY, ENABLED_KEY, DESCRIPTION_KEY, LEVEL_KEY, CUSTOMER_ID_KEY);
     }
 
     @Override