diff --git a/scripts/actions/disable_maintenance b/scripts/actions/disable_maintenance
index 0c2c8b2..0ea0edb 100755
--- a/scripts/actions/disable_maintenance
+++ b/scripts/actions/disable_maintenance
@@ -13,7 +13,7 @@ source /usr/share/yunohost/helpers
 # RETRIEVE ARGUMENTS
 #=================================================
 
-app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}
+app=$YNH_APP_INSTANCE_NAME
 
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
diff --git a/scripts/config b/scripts/config
index b0314f0..d06b98b 100644
--- a/scripts/config
+++ b/scripts/config
@@ -14,7 +14,7 @@ source _ynh_add_fpm_config
 # RETRIEVE ARGUMENTS
 #=================================================
 
-app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}
+app=$YNH_APP_INSTANCE_NAME
 
 #=================================================
 # LOAD VALUES