diff --git a/data/helpers.d/utils b/data/helpers.d/utils
index 34a089eb1..061ff324d 100644
--- a/data/helpers.d/utils
+++ b/data/helpers.d/utils
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-YNH_APP_BASEDIR=$(realpath $([[ "$(basename $0)" =~ ^backup|restore$ ]] && echo '../settings' || [[ -n "${YNH_ACTION:-}" ]] && echo '.' || echo '..' ))
+YNH_APP_BASEDIR=${YNH_APP_BASEDIR:-$(realpath ..)}
 
 # Handle script crashes / failures
 #
diff --git a/src/yunohost/app.py b/src/yunohost/app.py
index 06185761a..9fb27b11d 100644
--- a/src/yunohost/app.py
+++ b/src/yunohost/app.py
@@ -456,19 +456,21 @@ def app_change_url(operation_logger, app, domain, path):
     # TODO: Allow to specify arguments
     args_odict = _parse_args_from_manifest(manifest, "change_url")
 
+    tmp_workdir_for_app = _make_tmp_workdir_for_app(app=app)
+
     # Prepare env. var. to pass to script
     env_dict = _make_environment_for_app_script(app, args=args_odict)
     env_dict["YNH_APP_OLD_DOMAIN"] = old_domain
     env_dict["YNH_APP_OLD_PATH"] = old_path
     env_dict["YNH_APP_NEW_DOMAIN"] = domain
     env_dict["YNH_APP_NEW_PATH"] = path
+    env_dict["YNH_APP_BASEDIR"] = tmp_workdir_for_app
 
     if domain != old_domain:
         operation_logger.related_to.append(("domain", old_domain))
     operation_logger.extra.update({"env": env_dict})
     operation_logger.start()
 
-    tmp_workdir_for_app = _make_tmp_workdir_for_app(app=app)
     change_url_script = os.path.join(tmp_workdir_for_app, "scripts/change_url")
 
     # Execute App change_url script
@@ -619,6 +621,7 @@ def app_upgrade(app=[], url=None, file=None, force=False, no_safety_backup=False
         env_dict["YNH_APP_MANIFEST_VERSION"] = str(app_new_version)
         env_dict["YNH_APP_CURRENT_VERSION"] = str(app_current_version)
         env_dict["NO_BACKUP_UPGRADE"] = "1" if no_safety_backup else "0"
+        env_dict["YNH_APP_BASEDIR"] = extracted_app_folder
 
         # We'll check that the app didn't brutally edit some system configuration
         manually_modified_files_before_install = manually_modified_files()
@@ -967,6 +970,7 @@ def app_install(
 
     # Prepare env. var. to pass to script
     env_dict = _make_environment_for_app_script(app_instance_name, args=args_odict)
+    env_dict["YNH_APP_BASEDIR"] = extracted_app_folder
 
     env_dict_for_logging = env_dict.copy()
     for arg_name, arg_value_and_type in args_odict.items():
@@ -1031,6 +1035,7 @@ def app_install(
             env_dict_remove["YNH_APP_INSTANCE_NAME"] = app_instance_name
             env_dict_remove["YNH_APP_INSTANCE_NUMBER"] = str(instance_number)
             env_dict_remove["YNH_APP_MANIFEST_VERSION"] = manifest.get("version", "?")
+            env_dict_remove["YNH_APP_BASEDIR"] = extracted_app_folder
 
             # Execute remove script
             operation_logger_remove = OperationLogger(
@@ -1148,6 +1153,8 @@ def app_remove(operation_logger, app, purge=False):
     env_dict["YNH_APP_INSTANCE_NUMBER"] = str(app_instance_nb)
     env_dict["YNH_APP_MANIFEST_VERSION"] = manifest.get("version", "?")
     env_dict["YNH_APP_PURGE"] = str(purge)
+    env_dict["YNH_APP_BASEDIR"] = tmp_workdir_for_app
+
     operation_logger.extra.update({"env": env_dict})
     operation_logger.flush()
 
@@ -1632,12 +1639,14 @@ def app_action_run(operation_logger, app, action, args=None):
     )
     args_odict = _parse_args_for_action(actions[action], args=args_dict)
 
+    tmp_workdir_for_app = _make_tmp_workdir_for_app(app=app)
+
     env_dict = _make_environment_for_app_script(
         app, args=args_odict, args_prefix="ACTION_"
     )
     env_dict["YNH_ACTION"] = action
+    env_dict["YNH_APP_BASEDIR"] = tmp_workdir_for_app
 
-    tmp_workdir_for_app = _make_tmp_workdir_for_app(app=app)
     _, action_script = tempfile.mkstemp(dir=tmp_workdir_for_app)
 
     with open(action_script, "w") as script:
@@ -1764,6 +1773,7 @@ ynh_app_config_run $1
                 "app": self.app,
                 "app_instance_nb": str(app_instance_nb),
                 "final_path": settings.get("final_path", ""),
+                "YNH_APP_BASEDIR": os.path.join(APPS_SETTING_PATH, self.app),
             }
         )
 
diff --git a/src/yunohost/backup.py b/src/yunohost/backup.py
index 15abc08ef..80f01fd35 100644
--- a/src/yunohost/backup.py
+++ b/src/yunohost/backup.py
@@ -707,6 +707,7 @@ class BackupManager:
 
         # Prepare environment
         env_dict = self._get_env_var(app)
+        env_dict["YNH_APP_BASEDIR"] = os.path.join(self.work_dir, "apps", app, "settings")
         tmp_app_bkp_dir = env_dict["YNH_APP_BACKUP_DIR"]
         settings_dir = os.path.join(self.work_dir, "apps", app, "settings")
 
@@ -1487,6 +1488,7 @@ class RestoreManager:
                 "YNH_APP_BACKUP_DIR": os.path.join(
                     self.work_dir, "apps", app_instance_name, "backup"
                 ),
+                "YNH_APP_BASEDIR": os.path.join(self.work_dir, "apps", app_instance_name, "settings"),
             }
         )
 
@@ -1524,6 +1526,7 @@ class RestoreManager:
 
                 # Setup environment for remove script
                 env_dict_remove = _make_environment_for_app_script(app_instance_name)
+                env_dict_remove["YNH_APP_BASEDIR"] = os.path.join(self.work_dir, "apps", app_instance_name, "settings")
 
                 remove_operation_logger = OperationLogger(
                     "remove_on_failed_restore",