diff --git a/data/actionsmap/yunohost.yml b/data/actionsmap/yunohost.yml
index ebdd2b982..ece642d0d 100644
--- a/data/actionsmap/yunohost.yml
+++ b/data/actionsmap/yunohost.yml
@@ -208,13 +208,13 @@ user:
                     action_help: List existing groups
                     api: GET /users/groups
                     arguments:
-                        -n:
-                            full: --names-only
-                            help: Only list the name of the groups without any additional info
+                        -s:
+                            full: --short
+                            help: List only the names of groups
                             action: store_true
                         -f:
                             full: --full
-                            help: List all the info available for each groups
+                            help: Display all informations known about each groups
                             action: store_true
 
                 ### user_group_create()
@@ -281,6 +281,16 @@ user:
                 list:
                     action_help: List permissions and corresponding accesses
                     api: GET /users/permissions/<permission>
+                    arguments:
+                        -s:
+                            full: --short
+                            help: List only the names of permissions
+                            action: store_true
+                        -f:
+                            full: --full
+                            help: Display all informations known about each permissions, including the full list of users corresponding to allowed groups.
+                            action: store_true
+
 
                 ### user_permission_update()
                 update:
diff --git a/src/yunohost/permission.py b/src/yunohost/permission.py
index 20c34ada8..ab79ff7ed 100644
--- a/src/yunohost/permission.py
+++ b/src/yunohost/permission.py
@@ -43,29 +43,35 @@ logger = getActionLogger('yunohost.user')
 #
 
 
-def user_permission_list():
+def user_permission_list(short=False, full=False):
     """
     List permissions and corresponding accesses
     """
 
-    from yunohost.utils.ldap import _get_ldap_interface, _ldap_path_extract
+    # Fetch relevant informations
 
-    # Fetch all permissions objects
+    from yunohost.utils.ldap import _get_ldap_interface, _ldap_path_extract
     ldap = _get_ldap_interface()
     permissions_infos = ldap.search('ou=permission,dc=yunohost,dc=org',
                                     '(objectclass=permissionYnh)',
-                                    ['cn', 'groupPermission', 'inheritPermission', 'URL'])
+                                    ["cn", 'groupPermission', 'inheritPermission', 'URL'])
+
+    # Parse / organize information to be outputed
 
     permissions = {}
     for infos in permissions_infos:
 
         name = infos['cn'][0]
+        permissions[name] = {}
 
-        permissions[name] = {
-            "allowed_users": [_ldap_path_extract(p, "uid") for p in infos.get('inheritPermission', [])],
-            "allowed_groups": [_ldap_path_extract(p, "cn") for p in infos.get('groupPermission', [])],
-            "urls": infos.get("URL", [])
-        }
+        permissions[name]["allowed"] = [_ldap_path_extract(p, "cn") for p in infos.get('groupPermission', [])]
+
+        if full:
+            permissions[name]["corresponding_users"] = [_ldap_path_extract(p, "uid") for p in infos.get('inheritPermission', [])],
+            permissions[name]["urls"] = infos.get("URL", [])
+
+    if short:
+        permissions = permissions.keys()
 
     return {'permissions': permissions}
 
diff --git a/src/yunohost/user.py b/src/yunohost/user.py
index 92bdcf7a4..80f558809 100644
--- a/src/yunohost/user.py
+++ b/src/yunohost/user.py
@@ -489,12 +489,12 @@ def user_info(username):
 #
 # Group subcategory
 #
-def user_group_list(names_only=False, full=False):
+def user_group_list(short=False, full=False):
     """
     List users
 
     Keyword argument:
-        names-only -- Only list the name of the groups without any additional info
+        short -- Only list the name of the groups without any additional info
         full -- List all the info available for each groups
     """
 
@@ -502,30 +502,24 @@ def user_group_list(names_only=False, full=False):
 
     from yunohost.utils.ldap import _get_ldap_interface, _ldap_path_extract
     ldap = _get_ldap_interface()
-
-    if names_only:
-        fields_to_fetch = ["cn"]
-    elif full:
-        fields_to_fetch = ["cn", "member", "permission"]
-    else:
-        fields_to_fetch = ["cn", "member"]
-
     groups_infos = ldap.search('ou=groups,dc=yunohost,dc=org',
                                '(objectclass=groupOfNamesYnh)',
-                               fields_to_fetch)
+                               ["cn", "member", "permission"])
 
     # Parse / organize information to be outputed
 
     groups = {}
     for infos in groups_infos:
+
         name = infos["cn"][0]
         groups[name] = {}
-        if "member" in fields_to_fetch:
-            groups[name]["members"] = [_ldap_path_extract(p, "uid") for p in infos.get("member", [])]
-        if "permission" in fields_to_fetch:
+
+        groups[name]["members"] = [_ldap_path_extract(p, "uid") for p in infos.get("member", [])]
+
+        if full:
             groups[name]["permissions"] = [_ldap_path_extract(p, "cn") for p in infos.get("permission", [])]
 
-    if names_only:
+    if short:
         groups = groups.keys()
 
     return {'groups': groups}
@@ -719,9 +713,9 @@ def user_group_info(groupname):
 # Permission subcategory
 #
 
-def user_permission_list():
+def user_permission_list(short=False, full=False):
     import yunohost.permission
-    return yunohost.permission.user_permission_list()
+    return yunohost.permission.user_permission_list(short, full)
 
 
 @is_unit_operation([('permission', 'user')])