diff --git a/assets/translations/en.json b/assets/translations/en.json
index 485d4076..8abf8d39 100644
--- a/assets/translations/en.json
+++ b/assets/translations/en.json
@@ -203,6 +203,7 @@
       "extending_volume_title": "Extending volume",
       "extending_volume_description": "Resizing volume will allow you to store more data on your server without extending the server itself. Volume can only be extended: shrinking is not possible.",
       "extending_volume_price_info": "Price includes VAT and is estimated from pricing data provided by Hetzner.",
+      "extending_volume_error": "Couldn't initialize volume extending.",
       "size": "Size",
       "euro": "Euro",
       "data_migration_title": "Data migration",
diff --git a/assets/translations/ru.json b/assets/translations/ru.json
index a6b4bc59..a8d3f0d5 100644
--- a/assets/translations/ru.json
+++ b/assets/translations/ru.json
@@ -205,6 +205,7 @@
       "extending_volume_title": "Расширение хранилища",
       "extending_volume_description": "Изменение размера хранилища позволит вам держать больше данных на вашем сервере без расширения самого сервера. Объем можно только увеличить: уменьшить нельзя.",
       "extending_volume_price_info": "Цена включает НДС и рассчитана на основе данных о ценах, предоставленных Hetzner.",
+      "extending_volume_error": "Не удалось начать расширение хранилища.",
       "size": "Размер",
       "euro": "Евро",
       "data_migration_title": "Миграция данных",
diff --git a/lib/logic/cubit/provider_volumes/provider_volume_cubit.dart b/lib/logic/cubit/provider_volumes/provider_volume_cubit.dart
index d64a32c8..88f798ca 100644
--- a/lib/logic/cubit/provider_volumes/provider_volume_cubit.dart
+++ b/lib/logic/cubit/provider_volumes/provider_volume_cubit.dart
@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:selfprivacy/config/get_it_config.dart';
 import 'package:selfprivacy/logic/api_maps/graphql_maps/server_api/server.dart';
 import 'package:selfprivacy/logic/api_maps/rest_maps/api_factory_creator.dart';
@@ -77,6 +78,9 @@ class ApiProviderVolumeCubit
         );
 
     if (!resized) {
+      getIt<NavigationService>().showSnackBar(
+        'providers.storage.extending_volume_error'.tr(),
+      );
       return false;
     }
 
diff --git a/lib/ui/pages/server_storage/extending_volume.dart b/lib/ui/pages/server_storage/extending_volume.dart
index c0c48b2e..52de1239 100644
--- a/lib/ui/pages/server_storage/extending_volume.dart
+++ b/lib/ui/pages/server_storage/extending_volume.dart
@@ -135,7 +135,14 @@ class _ExtendingVolumePageState extends State<ExtendingVolumePage> {
               const SizedBox(height: 16),
               FilledButton(
                 title: 'providers.storage.extend_volume_button.title'.tr(),
-                onPressed: _isError ? null : () => {},
+                onPressed: _isError
+                    ? null
+                    : () => {
+                          context.read<ApiProviderVolumeCubit>().resizeVolume(
+                                widget.diskVolumeToResize,
+                                _currentSliderGbValue.round(),
+                              ),
+                        },
                 disabled: _isError,
               ),
               const SizedBox(height: 16),