diff --git a/data/actionsmap/yunohost.yml b/data/actionsmap/yunohost.yml
index ba5f1d505..a6bc8ec3e 100644
--- a/data/actionsmap/yunohost.yml
+++ b/data/actionsmap/yunohost.yml
@@ -470,6 +470,11 @@ app:
         listlists:
             action_help: List registered application lists
             api: GET /appslists
+            arguments:
+                -H:
+                    full: --human-readable
+                    help: Return the lastUpdate with a human readable date
+                    action: store_true
 
         ### app_removelist()
         removelist:
diff --git a/src/yunohost/app.py b/src/yunohost/app.py
index e26700c49..66d83db9c 100644
--- a/src/yunohost/app.py
+++ b/src/yunohost/app.py
@@ -36,6 +36,7 @@ import glob
 import pwd
 import grp
 from collections import OrderedDict
+import datetime
 
 from moulinette import msignals, m18n, msettings
 from moulinette.core import MoulinetteError
@@ -66,10 +67,13 @@ re_app_instance_name = re.compile(
 )
 
 
-def app_listlists():
+def app_listlists(human_readable=False):
     """
     List fetched lists
 
+    Keyword argument:
+        human_readable -- Show human readable dates
+
     """
 
     # Migrate appslist system if needed
@@ -80,6 +84,14 @@ def app_listlists():
     # Get the list
     appslist_list = _read_appslist_list()
 
+    # Human readable date
+    if human_readable:
+        for app in appslist_list:
+            now_for_humans = datetime.datetime.fromtimestamp(
+                appslist_list[app].get("lastUpdate"))
+            appslist_list[app]["lastUpdate"] = now_for_humans.strftime(
+                '%Y-%m-%d %H:%M:%S')
+
     return appslist_list