diff --git a/yunohost_app.py b/yunohost_app.py
index 873d8db1..30346531 100644
--- a/yunohost_app.py
+++ b/yunohost_app.py
@@ -197,7 +197,7 @@ def app_install(app, domain, path='/', label=None, mode='private'):
                     domain_app_list.append(conf[:len(conf)-9])
 
             for installed_app in domain_app_list:
-                open(apps_setting_path +'/'+ installed_app +'/app_setting.yml') as f:
+                with open(apps_setting_path +'/'+ installed_app +'/app_settings.yml') as f:
                     app_settings = yaml.load(f)
 
                 if app_settings['path'] == path:
@@ -346,7 +346,7 @@ def app_install(app, domain, path='/', label=None, mode='private'):
             if label: yaml_dict['label'] = label
             else: yaml_dict['label'] = manifest['name']
 
-            with open(app_setting_path +'/app_setting.yml', 'w') as f:
+            with open(app_setting_path +'/app_settings.yml', 'w') as f:
                 yaml.safe_dump(yaml_dict, f, default_flow_style=False)
                 win_msg(_("App setting file created"))