diff --git a/client/src/app/+admin/config/config.routes.ts b/client/src/app/+admin/config/config.routes.ts
index e161b3c52..d2ff90a3f 100644
--- a/client/src/app/+admin/config/config.routes.ts
+++ b/client/src/app/+admin/config/config.routes.ts
@@ -16,7 +16,7 @@ import {
 import { AdminConfigCustomizationComponent } from './pages/admin-config-customization.component'
 import { AdminConfigService } from '../../shared/shared-admin/admin-config.service'
 import { AdminConfigLogoComponent } from './pages/admin-config-logo.component'
-import { InstanceLogoService } from './shared/instance-logo.service'
+import { InstanceLogoService } from '../../shared/shared-instance/instance-logo.service'
 
 export const customConfigResolver: ResolveFn<CustomConfig> = (_route: ActivatedRouteSnapshot, _state: RouterStateSnapshot) => {
   return inject(AdminConfigService).getCustomConfig()
diff --git a/client/src/app/+admin/config/pages/admin-config-logo.component.ts b/client/src/app/+admin/config/pages/admin-config-logo.component.ts
index 4f3938231..a6131ada5 100644
--- a/client/src/app/+admin/config/pages/admin-config-logo.component.ts
+++ b/client/src/app/+admin/config/pages/admin-config-logo.component.ts
@@ -15,7 +15,7 @@ import { of, Subscription, switchMap, tap } from 'rxjs'
 import { AdminConfigService } from '../../../shared/shared-admin/admin-config.service'
 import { PreviewUploadComponent } from '../../../shared/shared-forms/preview-upload.component'
 import { AdminSaveBarComponent } from '../shared/admin-save-bar.component'
-import { InstanceLogoService } from '../shared/instance-logo.service'
+import { InstanceLogoService } from '../../../shared/shared-instance/instance-logo.service'
 
 type Form = {
   hideInstanceName: FormControl<boolean>
diff --git a/client/src/app/+admin/overview/users/user-edit/user-edit.component.html b/client/src/app/+admin/overview/users/user-edit/user-edit.component.html
index f111ddd0b..9bde28108 100644
--- a/client/src/app/+admin/overview/users/user-edit/user-edit.component.html
+++ b/client/src/app/+admin/overview/users/user-edit/user-edit.component.html
@@ -225,7 +225,7 @@
   <div class="content-col">
 
     <div class="danger-zone">
-    <div class="form-group">
+      <div class="form-group">
         <div class="mb-1 fw-bold" i18n>Send a link to reset the password by email to the user</div>
         <button class="peertube-button danger-button" (click)="resetPassword()" i18n>Ask for new password</button>
       </div>
diff --git a/client/src/app/modal/admin-config-wizard/admin-config-wizard-modal.component.ts b/client/src/app/modal/admin-config-wizard/admin-config-wizard-modal.component.ts
index 1a38f7888..04333c816 100644
--- a/client/src/app/modal/admin-config-wizard/admin-config-wizard-modal.component.ts
+++ b/client/src/app/modal/admin-config-wizard/admin-config-wizard-modal.component.ts
@@ -7,7 +7,7 @@ import { peertubeLocalStorage } from '@root-helpers/peertube-web-storage'
 import { AdminConfigWizardStepperComponent } from './admin-config-wizard-stepper.component'
 import { getNoWelcomeModalLocalStorageKey } from './shared/admin-config-wizard-modal-utils'
 import { AdminConfigWizardDocumentationComponent } from './steps/admin-config-wizard-documentation.component'
-import { AdminConfigWizardEditInfoComponent, FormInfo } from './steps/admin-config-wizard-edit-info.component'
+import { AdminConfigWizardEditInfoComponent, FormEditInfo } from './steps/admin-config-wizard-edit-info.component'
 import { AdminConfigWizardFormComponent } from './steps/admin-config-wizard-form.component'
 import { AdminConfigWizardPreviewComponent } from './steps/admin-config-wizard-preview.component'
 import { AdminConfigWizardWelcomeComponent } from './steps/admin-config-wizard-welcome.component'
@@ -37,7 +37,7 @@ export class AdminConfigWizardModalComponent implements OnInit {
   readonly created = output()
 
   usageType: UsageType
-  instanceInfo: FormInfo
+  instanceInfo: FormEditInfo
 
   showWelcome: boolean
   dryRun: boolean
diff --git a/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.html b/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.html
index 10d94edd1..aea6dc996 100644
--- a/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.html
+++ b/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.html
@@ -33,6 +33,13 @@
           <div *ngIf="formErrors.shortDescription" class="form-error" role="alert">{{ formErrors.shortDescription }}</div>
         </div>
 
+        <div class="form-group">
+          <label i18n for="avatarfile">Platform icon</label>
+          <div class="form-group-description" i18n>Used in various places such as on the website, mobile application and social media</div>
+
+          <my-preview-upload class="avatar-preview" formControlName="avatar" inputName="avatar" displayDelete="true"></my-preview-upload>
+        </div>
+
         <div class="form-group">
           <label i18n for="primaryColor">Primary color</label>
 
diff --git a/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.scss b/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.scss
index 0e0928202..5ad59b236 100644
--- a/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.scss
+++ b/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.scss
@@ -11,6 +11,11 @@ form {
   height: 190px;
 }
 
+.avatar-preview {
+  width: 128px;
+  height: 128px;
+}
+
 @media screen and (max-width: $small-view) {
   .mascot {
     display: none;
diff --git a/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.ts b/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.ts
index af3b898e1..964aec602 100644
--- a/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.ts
+++ b/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-edit-info.component.ts
@@ -11,22 +11,26 @@ import {
   FormReactiveMessagesTyped
 } from '@app/shared/form-validators/form-validator.model'
 import { FormReactiveService } from '@app/shared/shared-forms/form-reactive.service'
+import { PreviewUploadComponent } from '@app/shared/shared-forms/preview-upload.component'
 import { ColorPickerModule } from 'primeng/colorpicker'
 import { ButtonComponent } from '../../../shared/shared-main/buttons/button.component'
+import { findAppropriateImage } from '@peertube/peertube-core-utils'
+import { logger } from '@root-helpers/logger'
 
 type Form = {
   platformName: FormControl<string>
   shortDescription: FormControl<string>
+  avatar: FormControl<Blob>
   primaryColor: FormControl<string>
 }
 
-export type FormInfo = FormDefaultTyped<Form>
+export type FormEditInfo = FormDefaultTyped<Form>
 
 @Component({
   selector: 'my-admin-config-wizard-edit-info',
   templateUrl: './admin-config-wizard-edit-info.component.html',
   styleUrls: [ './admin-config-wizard-edit-info.component.scss', '../shared/admin-config-wizard-modal-common.scss' ],
-  imports: [ CommonModule, FormsModule, ReactiveFormsModule, ColorPickerModule, CdkStepperModule, ButtonComponent ]
+  imports: [ CommonModule, FormsModule, ReactiveFormsModule, ColorPickerModule, CdkStepperModule, ButtonComponent, PreviewUploadComponent ]
 })
 export class AdminConfigWizardEditInfoComponent implements OnInit {
   private server = inject(ServerService)
@@ -38,7 +42,7 @@ export class AdminConfigWizardEditInfoComponent implements OnInit {
   readonly showBack = input.required({ transform: booleanAttribute })
 
   readonly back = output()
-  readonly next = output<FormInfo>()
+  readonly next = output<FormEditInfo>()
   readonly hide = output()
 
   form: FormGroup<Form>
@@ -47,12 +51,23 @@ export class AdminConfigWizardEditInfoComponent implements OnInit {
 
   ngOnInit () {
     this.buildForm()
+
+    const avatar = findAppropriateImage(this.server.getHTMLConfig().instance.avatars, 128)
+    if (avatar) {
+      fetch(avatar.fileUrl)
+        .then(response => response.blob())
+        .then(blob => this.form.patchValue({ avatar: blob }))
+        .catch(() => {
+          logger.error('Could not fetch instance avatar')
+        })
+    }
   }
 
   private buildForm () {
     const obj: BuildFormArgumentTyped<Form> = {
       platformName: INSTANCE_NAME_VALIDATOR,
       shortDescription: INSTANCE_SHORT_DESCRIPTION_VALIDATOR,
+      avatar: null,
       primaryColor: null
     }
 
@@ -67,7 +82,7 @@ export class AdminConfigWizardEditInfoComponent implements OnInit {
     this.validationMessages = validationMessages
   }
 
-  private getDefaultValues (): FormDefaultTyped<Form> {
+  private getDefaultValues (): FormEditInfo {
     const config = this.server.getHTMLConfig()
     const primaryColorConfig = config.theme.customization.primaryColor
 
@@ -78,6 +93,7 @@ export class AdminConfigWizardEditInfoComponent implements OnInit {
     return {
       platformName: config.instance.name,
       shortDescription: config.instance.shortDescription,
+      avatar: undefined as Blob,
       primaryColor
     }
   }
diff --git a/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-preview.component.ts b/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-preview.component.ts
index 481deddc5..e087a0a89 100644
--- a/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-preview.component.ts
+++ b/client/src/app/modal/admin-config-wizard/steps/admin-config-wizard-preview.component.ts
@@ -11,8 +11,9 @@ import { ColorPickerModule } from 'primeng/colorpicker'
 import { concatMap, from, switchMap, toArray } from 'rxjs'
 import { PartialDeep } from 'type-fest'
 import { ButtonComponent } from '../../../shared/shared-main/buttons/button.component'
-import { FormInfo } from './admin-config-wizard-edit-info.component'
+import { FormEditInfo } from './admin-config-wizard-edit-info.component'
 import { UsageType } from './usage-type/usage-type.model'
+import { InstanceLogoService } from '@app/shared/shared-instance/instance-logo.service'
 
 @Component({
   selector: 'my-admin-config-wizard-preview',
@@ -26,7 +27,7 @@ import { UsageType } from './usage-type/usage-type.model'
     CdkStepperModule,
     ButtonComponent
   ],
-  providers: [ AdminConfigService, PluginApiService ]
+  providers: [ AdminConfigService, PluginApiService, InstanceLogoService ]
 })
 export class AdminConfigWizardPreviewComponent implements OnChanges {
   private adminConfig = inject(AdminConfigService)
@@ -34,11 +35,12 @@ export class AdminConfigWizardPreviewComponent implements OnChanges {
   private notifier = inject(Notifier)
   private html = inject(HtmlRendererService)
   private server = inject(ServerService)
+  private instanceLogo = inject(InstanceLogoService)
 
   readonly currentStep = input.required({ transform: numberAttribute })
   readonly totalSteps = input.required({ transform: numberAttribute })
   readonly usageType = input.required<UsageType>()
-  readonly instanceInfo = input.required<FormInfo>()
+  readonly instanceInfo = input.required<FormEditInfo>()
   readonly dryRun = input.required({ transform: booleanAttribute })
 
   readonly back = output()
@@ -84,6 +86,12 @@ export class AdminConfigWizardPreviewComponent implements OnChanges {
     this.updating = true
 
     this.adminConfig.updateCustomConfig(this.config)
+      .pipe(() => {
+        const avatar = this.instanceInfo().avatar
+        if (avatar) return this.instanceLogo.updateAvatar(avatar)
+
+        return this.instanceLogo.deleteAvatar()
+      })
       .pipe(
         switchMap(() => this.server.resetConfig()),
         switchMap(() => {
diff --git a/client/src/app/shared/form-validators/form-validator.model.ts b/client/src/app/shared/form-validators/form-validator.model.ts
index d4fdcd460..bd38f972d 100644
--- a/client/src/app/shared/form-validators/form-validator.model.ts
+++ b/client/src/app/shared/form-validators/form-validator.model.ts
@@ -1,5 +1,4 @@
 import { AsyncValidatorFn, FormArray, FormControl, FormGroup, ValidatorFn } from '@angular/forms'
-import { PartialDeep } from 'type-fest'
 
 export type BuildFormValidator = {
   VALIDATORS: ValidatorFn[]
@@ -19,7 +18,7 @@ export type BuildFormArgumentTyped<Form> = ReplaceForm<Form, BuildFormValidator>
 export type FormDefault = {
   [name: string]: Blob | Date | boolean | number | number[] | string | string[] | FormDefault
 }
-export type FormDefaultTyped<Form> = PartialDeep<UnwrapForm<Form>>
+export type FormDefaultTyped<Form> = Partial<UnwrapForm<Form>>
 
 // ---------------------------------------------------------------------------
 
@@ -42,8 +41,9 @@ export type UnwrapForm<Form> = {
   [K in keyof Form]: _UnwrapForm<Form[K]>
 }
 
-type _UnwrapForm<T> = T extends FormGroup<infer U> ? UnwrapForm<U> :
+type _UnwrapForm<T> = T extends FormGroup<infer U> ? Partial<UnwrapForm<U>> :
   T extends FormArray<infer U> ? _UnwrapForm<U>[] :
+  T extends FormControl<Blob> ? Blob :
   T extends FormControl<infer U> ? U
   : never
 
diff --git a/client/src/app/+admin/config/shared/instance-logo.service.ts b/client/src/app/shared/shared-instance/instance-logo.service.ts
similarity index 100%
rename from client/src/app/+admin/config/shared/instance-logo.service.ts
rename to client/src/app/shared/shared-instance/instance-logo.service.ts
diff --git a/packages/core-utils/src/common/image.ts b/packages/core-utils/src/common/image.ts
index f229d46d8..ef833af27 100644
--- a/packages/core-utils/src/common/image.ts
+++ b/packages/core-utils/src/common/image.ts
@@ -1,4 +1,6 @@
 export function findAppropriateImage<T extends { width: number, height: number }> (images: T[], wantedWidth: number) {
+  if (!images || images.length === 0) return undefined
+
   const imagesSorted = images.sort((a, b) => a.width - b.width)
 
   for (const image of imagesSorted) {