diff --git a/config_panel.toml b/config_panel.toml
index 4e458b6..e5e88ae 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -3,14 +3,19 @@ version = "1.0"
 [main]
 name = "Nextcloud configuration"
 
-    [main.maintenance_mode]
-    name = "Maintenance mode"
+    [main.maintenance]
+    name = "Maintenance"
 
-        [main.maintenance_mode.maintenance_mode]
+        [main.maintenance.maintenance_mode]
         ask = "Enable maintenance mode"
         type = "boolean"
         default = "0"
 
+        [main.maintenance.set_permissions_button]
+        ask.en = "Set permissions for all data (Can take up to several hours if users have a lot of data)"
+        type = "button"
+        style = "success"
+
     [main.addressbook]
     name = "Address book configuration"
 
diff --git a/scripts/config b/scripts/config
index 93ced20..e231009 100644
--- a/scripts/config
+++ b/scripts/config
@@ -105,6 +105,24 @@ set__fpm_free_footprint() {
     fi
 }
 
+#=================================================
+# SPECIFIC RUNNERS FOR TOML SHORT KEYS
+#=================================================
+
+function run__set_permissions_button() {
+    local data_dir=$(ynh_app_setting_get --app=$app --key=data_dir)
+    ynh_print_info "Set permissions, it may take some time..."
+    chown -R $app:www-data "$install_dir"
+    chown -R $app: "$data_dir"
+    find $install_dir/ -type f -print0 | xargs -r0 chmod 0644
+    find $install_dir/ -type d -print0 | xargs -r0 chmod 0755
+    find $data_dir/data/ -type f -print0 | xargs -r0 chmod 0640
+    find $data_dir/data/ -type d -print0 | xargs -r0 chmod 0750
+    chmod 640 "$install_dir/config/config.php"
+    chmod 755 /home/yunohost.app
+    chmod 750 $install_dir
+}
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================