diff --git a/src/app/pages/data-protection/cloudsync/cloudsync-wizard/steps/cloudsync-what-and-when/cloudsync-what-and-when.component.spec.ts b/src/app/pages/data-protection/cloudsync/cloudsync-wizard/steps/cloudsync-what-and-when/cloudsync-what-and-when.component.spec.ts
index 263e936cd03..56c6ebf0ab5 100644
--- a/src/app/pages/data-protection/cloudsync/cloudsync-wizard/steps/cloudsync-what-and-when/cloudsync-what-and-when.component.spec.ts
+++ b/src/app/pages/data-protection/cloudsync/cloudsync-wizard/steps/cloudsync-what-and-when/cloudsync-what-and-when.component.spec.ts
@@ -9,6 +9,8 @@ import { of } from 'rxjs';
 import { mockCall, mockApi } from 'app/core/testing/utils/mock-api.utils';
 import { mockAuth } from 'app/core/testing/utils/mock-auth.utils';
 import { DialogService } from 'app/modules/dialog/dialog.service';
+import { IxInputHarness } from 'app/modules/forms/ix-forms/components/ix-input/ix-input.harness';
+import { IxSelectHarness } from 'app/modules/forms/ix-forms/components/ix-select/ix-select.harness';
 import { IxFormHarness } from 'app/modules/forms/ix-forms/testing/ix-form.harness';
 import { ChainedRef } from 'app/modules/slide-ins/chained-component-ref';
 import { SlideInRef } from 'app/modules/slide-ins/slide-in-ref';
@@ -132,4 +134,28 @@ describe('CloudSyncWhatAndWhenComponent', () => {
     });
     expect(chainedRef.swap).toHaveBeenCalledWith(CloudSyncFormComponent, true);
   });
+
+  it('checks payload when use invalid s3 credentials', async () => {
+    const bucketSelect = await loader.getHarness(IxSelectHarness.with({ label: 'Bucket' }));
+    expect(await bucketSelect.getValue()).toBe('');
+
+    spectator.component.isCredentialInvalid$.next(true);
+    spectator.detectChanges();
+
+    const bucketInput = await loader.getHarness(IxInputHarness.with({ label: 'Bucket' }));
+    await bucketInput.setValue('selected');
+
+    expect(spectator.component.getPayload()).toEqual(expect.objectContaining({
+      attributes: expect.objectContaining({
+        bucket: 'selected',
+      }),
+    }));
+
+    await bucketInput.setValue('test-bucket');
+    expect(spectator.component.getPayload()).toEqual(expect.objectContaining({
+      attributes: expect.objectContaining({
+        bucket: 'test-bucket',
+      }),
+    }));
+  });
 });
diff --git a/src/app/pages/data-protection/cloudsync/cloudsync-wizard/steps/cloudsync-what-and-when/cloudsync-what-and-when.component.ts b/src/app/pages/data-protection/cloudsync/cloudsync-wizard/steps/cloudsync-what-and-when/cloudsync-what-and-when.component.ts
index cfdd871e30a..e46ce7a526e 100644
--- a/src/app/pages/data-protection/cloudsync/cloudsync-wizard/steps/cloudsync-what-and-when/cloudsync-what-and-when.component.ts
+++ b/src/app/pages/data-protection/cloudsync/cloudsync-wizard/steps/cloudsync-what-and-when/cloudsync-what-and-when.component.ts
@@ -12,6 +12,7 @@ import { UntilDestroy, untilDestroyed } from '@ngneat/until-destroy';
 import { TranslateService, TranslateModule } from '@ngx-translate/core';
 import { find, findIndex, isArray } from 'lodash-es';
 import {
+  BehaviorSubject,
   EMPTY,
   Observable, catchError, combineLatest, filter, map, merge, of, tap,
 } from 'rxjs';
@@ -118,6 +119,7 @@ export class CloudSyncWhatAndWhenComponent implements OnInit, OnChanges {
     bwlimit: [[] as string[]],
   });
 
+  isCredentialInvalid$ = new BehaviorSubject(false);
   credentials: CloudSyncCredential[] = [];
   providers: CloudSyncProvider[] = [];
   bucketPlaceholder: string = helptextCloudSync.bucket_placeholder;
@@ -273,6 +275,8 @@ export class CloudSyncWhatAndWhenComponent implements OnInit, OnChanges {
       if (formValue[name] !== undefined && formValue[name] !== null && formValue[name] !== '') {
         if (name === 'task_encryption') {
           attributes[name] = formValue[name] === '' ? null : formValue[name];
+        } else if (name === 'bucket_input') {
+          attributes['bucket'] = formValue[name];
         } else {
           attributes[name] = formValue[name];
         }
@@ -438,6 +442,16 @@ export class CloudSyncWhatAndWhenComponent implements OnInit, OnChanges {
       }
     });
 
+    this.isCredentialInvalid$.pipe(untilDestroyed(this)).subscribe((value) => {
+      if (value) {
+        this.form.controls.bucket_input.enable();
+        this.form.controls.bucket.disable();
+      } else {
+        this.form.controls.bucket_input.disable();
+        this.form.controls.bucket.enable();
+      }
+    });
+
     this.form.controls.bucket.valueChanges.pipe(
       filter((selectedOption) => selectedOption === newOption),
       untilDestroyed(this),
@@ -479,13 +493,11 @@ export class CloudSyncWhatAndWhenComponent implements OnInit, OnChanges {
             });
           }
           this.bucketOptions$ = of(bucketOptions);
-          this.form.controls.bucket.enable();
-          this.form.controls.bucket_input.disable();
+          this.isCredentialInvalid$.next(false);
           this.cdr.markForCheck();
         },
         error: (error: ApiError) => {
-          this.form.controls.bucket.disable();
-          this.form.controls.bucket_input.enable();
+          this.isCredentialInvalid$.next(true);
           this.dialog.closeAllDialogs();
           this.dialog.confirm({
             title: error.extra ? (error.extra as { excerpt: string }).excerpt : `${this.translate.instant('Error: ')}${error.error}`,
diff --git a/src/assets/i18n/pl.json b/src/assets/i18n/pl.json
index b753fb62b17..40d76478152 100644
--- a/src/assets/i18n/pl.json
+++ b/src/assets/i18n/pl.json
@@ -5134,17 +5134,7 @@
   "{temp}°C (Core #{core})": "",
   "{temp}°C ({coreCount} cores at {temp}°C)": "",
   "{threadCount, plural, one {# thread} other {# threads} }": "",
-  "{type} VDEVs": "{type} VDEVs",
-  "{type} at {location}": "{type} w {location}",
-  "{type} widget does not support {size} size.": "Widżet {type} nie obsługuje rozmiaru {size}",
-  "{type} widget is not supported.": "Widżet {type} nie jest obsługiwany.",
   "{type} | {vdevWidth} wide | ": "",
-  "{usage}% (All Threads)": "{usage}% Wszystkich wątków)",
-  "{usage}% (Thread #{thread})": "{usage}% (Wątek #{thread})",
-  "{usage}% ({threadCount} threads at {usage}%)": "{usage}% ({threadCount} wątków przy {usage}%)",
-  "{used} of {total} ({used_pct})": "{used} z {total} ({used_pct})",
-  "{version} is available!": "{version} jest dostępna!",
-  "{view} on {enclosure}": "{view} na {enclosure}",
   " seconds.": " sekund",
   "% of all cores": "% użycia wszytskich rdzeni",
   "(24 Hours)": "(24 Godziny)",
@@ -5279,5 +5269,15 @@
   "to cloud": "do chmury",
   "total available": "łącznie dostępne",
   "{name} Devices": "Urządzenia",
-  "{name} Sessions": "Sesji"
-}
+  "{name} Sessions": "Sesji",
+  "{type} VDEVs": "{type} VDEVs",
+  "{type} at {location}": "{type} w {location}",
+  "{type} widget does not support {size} size.": "Widżet {type} nie obsługuje rozmiaru {size}",
+  "{type} widget is not supported.": "Widżet {type} nie jest obsługiwany.",
+  "{usage}% (All Threads)": "{usage}% Wszystkich wątków)",
+  "{usage}% (Thread #{thread})": "{usage}% (Wątek #{thread})",
+  "{usage}% ({threadCount} threads at {usage}%)": "{usage}% ({threadCount} wątków przy {usage}%)",
+  "{used} of {total} ({used_pct})": "{used} z {total} ({used_pct})",
+  "{version} is available!": "{version} jest dostępna!",
+  "{view} on {enclosure}": "{view} na {enclosure}"
+}
\ No newline at end of file