diff --git a/usr/lib/python3.8/vmmgr/vmmgr.py b/usr/lib/python3.8/vmmgr/vmmgr.py
index 6719779..387a66e 100644
--- a/usr/lib/python3.8/vmmgr/vmmgr.py
+++ b/usr/lib/python3.8/vmmgr/vmmgr.py
@@ -173,14 +173,15 @@ def update_app_config(app_name=None):
     env['PORT'] = host['port']
     env['EMAIL'] = common['email']
     env['GMAPS_API_KEY'] = common['gmaps-api-key']
-    app_names = [app_name] if app_name else repo_local.get_apps()
+    app_names = [app_name] if app_name else repo_local.get_apps().keys()
     for app_name in app_names:
         install_dir = os.path.join(spoc_config.APPS_DIR, app_name, 'install')
         script_path = os.path.join(install_dir, 'update-conf.sh')
-        if os.path.exists(script_path):
-            app_env = env.copy()
-            app_env['HOST'] = apps[app_name]['host']
-            subprocess.run(script_path, cwd=install_dir, env=app_env)
+        env['HOST'] = apps[app_name]['host']
+        try:
+            subprocess.run(script_path, cwd=install_dir, env=env)
+        except:
+            pass
 
 def is_app_started(app_name):
     # Assume that the main container has always the same name as the app
diff --git a/usr/lib/python3.8/vmmgr/wsgiapp.py b/usr/lib/python3.8/vmmgr/wsgiapp.py
index b23d733..bd429e2 100644
--- a/usr/lib/python3.8/vmmgr/wsgiapp.py
+++ b/usr/lib/python3.8/vmmgr/wsgiapp.py
@@ -8,7 +8,7 @@ from math import floor
 from pkg_resources import parse_version
 from spoc import repo_online, repo_local
 from werkzeug.exceptions import HTTPException, NotFound, Unauthorized
-from werkzeug.routing import Map, Rule, RequestRedirect
+from werkzeug.routing import Map, Rule
 from werkzeug.utils import redirect
 from werkzeug.wrappers import Request, Response