diff --git a/data/actionsmap/yunohost.yml b/data/actionsmap/yunohost.yml
index 290952aa3..b7afe2703 100644
--- a/data/actionsmap/yunohost.yml
+++ b/data/actionsmap/yunohost.yml
@@ -295,6 +295,9 @@ user:
                     action_help: List permissions and corresponding accesses
                     api: GET /users/permissions
                     arguments:
+                        apps:
+                            help: Apps to list permission for (all by default)
+                            nargs: "*"
                         -s:
                             full: --short
                             help: Only list permission names
diff --git a/data/helpers.d/permission b/data/helpers.d/permission
index 995bff0eb..a5c09cded 100644
--- a/data/helpers.d/permission
+++ b/data/helpers.d/permission
@@ -182,7 +182,7 @@ ynh_permission_exists() {
     local permission
     ynh_handle_getopts_args "$@"
 
-    yunohost user permission list --output-as json --quiet \
+    yunohost user permission list "$app" --output-as json --quiet \
         | jq -e --arg perm "$app.$permission" '.permissions[$perm]' >/dev/null
 }
 
diff --git a/src/yunohost/app.py b/src/yunohost/app.py
index b4f162e17..394def0ba 100644
--- a/src/yunohost/app.py
+++ b/src/yunohost/app.py
@@ -194,7 +194,7 @@ def app_info(app, full=False):
         )
 
     local_manifest = _get_manifest_of_app(os.path.join(APPS_SETTING_PATH, app))
-    permissions = user_permission_list(full=True, absolute_urls=True)["permissions"]
+    permissions = user_permission_list(full=True, absolute_urls=True, apps=[app])["permissions"]
 
     settings = _get_app_settings(app)
 
@@ -229,9 +229,7 @@ def app_info(app, full=False):
         local_manifest.get("multi_instance", False)
     )
 
-    ret["permissions"] = {
-        p: i for p, i in permissions.items() if p.startswith(app + ".")
-    }
+    ret["permissions"] = permissions
     ret["label"] = permissions.get(app + ".main", {}).get("label")
 
     if not ret["label"]:
@@ -1435,7 +1433,7 @@ def app_setting(app, key, value=None, delete=False):
             permission_url,
         )
 
-        permissions = user_permission_list(full=True)["permissions"]
+        permissions = user_permission_list(full=True, apps=[app])["permissions"]
         permission_name = "%s.legacy_%s_uris" % (app, key.split("_")[0])
         permission = permissions.get(permission_name)
 
diff --git a/src/yunohost/permission.py b/src/yunohost/permission.py
index e0a3c6be8..3ed9590d4 100644
--- a/src/yunohost/permission.py
+++ b/src/yunohost/permission.py
@@ -46,7 +46,7 @@ SYSTEM_PERMS = ["mail", "xmpp", "sftp", "ssh"]
 
 
 def user_permission_list(
-    short=False, full=False, ignore_system_perms=False, absolute_urls=False
+    short=False, full=False, ignore_system_perms=False, absolute_urls=False, apps=[]
 ):
     """
     List permissions and corresponding accesses
@@ -74,7 +74,9 @@ def user_permission_list(
     )
 
     # Parse / organize information to be outputed
-    apps = sorted(_installed_apps())
+    if apps:
+        ignore_system_perms = True
+    apps = apps if apps else sorted(_installed_apps())
     apps_base_path = {
         app: app_setting(app, "domain") + app_setting(app, "path")
         for app in apps
@@ -85,11 +87,14 @@ def user_permission_list(
     for infos in permissions_infos:
 
         name = infos["cn"][0]
-        if ignore_system_perms and name.split(".")[0] in SYSTEM_PERMS:
-            continue
-
         app = name.split(".")[0]
 
+        if app in SYSTEM_PERMS:
+            if ignore_system_perms:
+                continue
+        elif app not in apps:
+            continue
+
         perm = {}
         perm["allowed"] = [
             _ldap_path_extract(p, "cn") for p in infos.get("groupPermission", [])
diff --git a/src/yunohost/user.py b/src/yunohost/user.py
index 089f2ba0e..aee5bf473 100644
--- a/src/yunohost/user.py
+++ b/src/yunohost/user.py
@@ -862,10 +862,10 @@ def user_group_info(groupname):
 #
 
 
-def user_permission_list(short=False, full=False):
+def user_permission_list(short=False, full=False, apps=[]):
     import yunohost.permission
 
-    return yunohost.permission.user_permission_list(short, full, absolute_urls=True)
+    return yunohost.permission.user_permission_list(short, full, absolute_urls=True, apps=apps)
 
 
 def user_permission_update(