diff --git a/lib/logic/api_maps/rest_maps/server_providers/digital_ocean/digital_ocean.dart b/lib/logic/api_maps/rest_maps/server_providers/digital_ocean/digital_ocean.dart
index 989085b2..6bc66b35 100644
--- a/lib/logic/api_maps/rest_maps/server_providers/digital_ocean/digital_ocean.dart
+++ b/lib/logic/api_maps/rest_maps/server_providers/digital_ocean/digital_ocean.dart
@@ -252,7 +252,10 @@ class DigitalOceanApi extends ServerProviderApi with VolumeProviderApi {
   }
 
   @override
-  Future<bool> resizeVolume(final ServerVolume volume, final int sizeGb) async {
+  Future<bool> resizeVolume(
+    final ServerVolume volume,
+    final DiskSize size,
+  ) async {
     bool success = false;
 
     final Response dbPostResponse;
@@ -263,7 +266,7 @@ class DigitalOceanApi extends ServerProviderApi with VolumeProviderApi {
         data: {
           'type': 'resize',
           'volume_name': volume.name,
-          'size_gigabytes': sizeGb,
+          'size_gigabytes': size.gibibyte,
           'region': region,
         },
       );
diff --git a/lib/logic/api_maps/rest_maps/server_providers/hetzner/hetzner.dart b/lib/logic/api_maps/rest_maps/server_providers/hetzner/hetzner.dart
index 6c67ff3e..13fb2cde 100644
--- a/lib/logic/api_maps/rest_maps/server_providers/hetzner/hetzner.dart
+++ b/lib/logic/api_maps/rest_maps/server_providers/hetzner/hetzner.dart
@@ -281,7 +281,10 @@ class HetznerApi extends ServerProviderApi with VolumeProviderApi {
   }
 
   @override
-  Future<bool> resizeVolume(final ServerVolume volume, final int sizeGb) async {
+  Future<bool> resizeVolume(
+    final ServerVolume volume,
+    final DiskSize size,
+  ) async {
     bool success = false;
 
     final Response dbPostResponse;
@@ -290,7 +293,7 @@ class HetznerApi extends ServerProviderApi with VolumeProviderApi {
       dbPostResponse = await client.post(
         '/volumes/$volume.id/actions/resize',
         data: {
-          'size': sizeGb,
+          'size': size.gibibyte,
         },
       );
       success = dbPostResponse.data['action']['status'].toString() != 'error';
diff --git a/lib/logic/api_maps/rest_maps/server_providers/volume_provider.dart b/lib/logic/api_maps/rest_maps/server_providers/volume_provider.dart
index da196406..d3ae6f2a 100644
--- a/lib/logic/api_maps/rest_maps/server_providers/volume_provider.dart
+++ b/lib/logic/api_maps/rest_maps/server_providers/volume_provider.dart
@@ -1,4 +1,5 @@
 import 'package:selfprivacy/logic/api_maps/rest_maps/api_map.dart';
+import 'package:selfprivacy/logic/models/disk_size.dart';
 import 'package:selfprivacy/logic/models/hive/server_details.dart';
 import 'package:selfprivacy/logic/models/price.dart';
 
@@ -7,7 +8,7 @@ mixin VolumeProviderApi on ApiMap {
   Future<List<ServerVolume>> getVolumes({final String? status});
   Future<bool> attachVolume(final ServerVolume volume, final int serverId);
   Future<bool> detachVolume(final ServerVolume volume);
-  Future<bool> resizeVolume(final ServerVolume volume, final int sizeGb);
+  Future<bool> resizeVolume(final ServerVolume volume, final DiskSize size);
   Future<void> deleteVolume(final ServerVolume volume);
   Future<Price?> getPricePerGb();
 }
diff --git a/lib/logic/cubit/provider_volumes/provider_volume_cubit.dart b/lib/logic/cubit/provider_volumes/provider_volume_cubit.dart
index 1c9ef2b1..1a8f1c15 100644
--- a/lib/logic/cubit/provider_volumes/provider_volume_cubit.dart
+++ b/lib/logic/cubit/provider_volumes/provider_volume_cubit.dart
@@ -6,6 +6,7 @@ import 'package:selfprivacy/logic/api_maps/rest_maps/api_factory_settings.dart';
 import 'package:selfprivacy/logic/api_maps/rest_maps/server_providers/server_provider_factory.dart';
 import 'package:selfprivacy/logic/common_enum/common_enum.dart';
 import 'package:selfprivacy/logic/cubit/app_config_dependent/authentication_dependend_cubit.dart';
+import 'package:selfprivacy/logic/models/disk_size.dart';
 import 'package:selfprivacy/logic/models/hive/server_details.dart';
 import 'package:selfprivacy/logic/models/disk_status.dart';
 import 'package:selfprivacy/logic/models/price.dart';
@@ -76,7 +77,7 @@ class ApiProviderVolumeCubit
 
   Future<bool> resizeVolume(
     final DiskVolume volume,
-    final int newSizeGb,
+    final DiskSize newSize,
     final Function() callback,
   ) async {
     getIt<NavigationService>().showSnackBar(
@@ -85,7 +86,7 @@ class ApiProviderVolumeCubit
     emit(state.copyWith(isResizing: true));
     final bool resized = await providerApi!.getVolumeProvider().resizeVolume(
           volume.providerVolume!,
-          newSizeGb,
+          newSize,
         );
 
     if (!resized) {
diff --git a/lib/ui/pages/server_storage/extending_volume.dart b/lib/ui/pages/server_storage/extending_volume.dart
index b2293e11..e16544b5 100644
--- a/lib/ui/pages/server_storage/extending_volume.dart
+++ b/lib/ui/pages/server_storage/extending_volume.dart
@@ -153,7 +153,7 @@ class _ExtendingVolumePageState extends State<ExtendingVolumePage> {
                     : () {
                         context.read<ApiProviderVolumeCubit>().resizeVolume(
                               widget.diskVolumeToResize,
-                              _currentSliderGbValue.round(),
+                              DiskSize.fromGibibyte(_currentSliderGbValue),
                               context.read<ApiServerVolumeCubit>().reload,
                             );
                         Navigator.of(context).pushAndRemoveUntil(