diff --git a/package.json b/package.json
index eef0b9b4e..30c9c6215 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "osf",
-  "version": "25.2.0",
+  "version": "25.3.0",
   "scripts": {
     "ng": "ng",
     "analyze-bundle": "ng build --configuration=analyze-bundle && source-map-explorer dist/**/*.js --no-border-checks",
diff --git a/src/app/features/project/wiki/wiki.component.ts b/src/app/features/project/wiki/wiki.component.ts
index b51a5138f..d57a8cd9f 100644
--- a/src/app/features/project/wiki/wiki.component.ts
+++ b/src/app/features/project/wiki/wiki.component.ts
@@ -1,6 +1,6 @@
 import { createDispatchMap, select } from '@ngxs/store';
 
-import { TranslatePipe } from '@ngx-translate/core';
+import { TranslatePipe, TranslateService } from '@ngx-translate/core';
 
 import { Button } from 'primeng/button';
 import { ButtonGroupModule } from 'primeng/buttongroup';
@@ -62,6 +62,7 @@ export class WikiComponent {
   private readonly router = inject(Router);
   private readonly destroyRef = inject(DestroyRef);
   private toastService = inject(ToastService);
+  private readonly translateService = inject(TranslateService);
 
   WikiModes = WikiModes;
   homeWikiName = 'Home';
diff --git a/src/app/shared/mappers/wiki/wiki.mapper.ts b/src/app/shared/mappers/wiki/wiki.mapper.ts
index aa79c9911..e79ea6c30 100644
--- a/src/app/shared/mappers/wiki/wiki.mapper.ts
+++ b/src/app/shared/mappers/wiki/wiki.mapper.ts
@@ -1,3 +1,6 @@
+import { TranslateService } from '@ngx-translate/core';
+
+import { UserMapper } from '@osf/shared/mappers/user/user.mapper';
 import {
   ComponentsWikiGetResponse,
   HomeWiki,
@@ -10,6 +13,12 @@ import {
 import { ComponentWiki } from '@osf/shared/stores/wiki';
 
 export class WikiMapper {
+  private static translate: TranslateService;
+
+  static init(translate: TranslateService): void {
+    WikiMapper.translate = translate;
+  }
+
   static fromCreateWikiResponse(response: WikiGetResponse): WikiModel {
     return {
       id: response.id,
@@ -47,7 +56,9 @@ export class WikiMapper {
     return {
       id: response.id,
       createdAt: response.attributes.date_created,
-      createdBy: response.embeds.user.data.attributes.full_name,
+      createdBy:
+        UserMapper.getUserInfo(response.embeds.user)?.fullName ||
+        WikiMapper.translate.instant('project.wiki.version.unknownAuthor'),
     };
   }
 
diff --git a/src/app/shared/models/wiki/wiki.model.ts b/src/app/shared/models/wiki/wiki.model.ts
index 6223fde49..d868fc993 100644
--- a/src/app/shared/models/wiki/wiki.model.ts
+++ b/src/app/shared/models/wiki/wiki.model.ts
@@ -1,3 +1,5 @@
+import { UserDataErrorResponseJsonApi } from '@shared/models/user/user-json-api.model';
+
 import { JsonApiResponse, JsonApiResponseWithMeta, MetaAnonymousJsonApi } from '../common/json-api.model';
 
 export enum WikiModes {
@@ -78,14 +80,7 @@ export interface WikiVersionJsonApi {
     date_created: string;
   };
   embeds: {
-    user: {
-      data: {
-        id: string;
-        attributes: {
-          full_name: string;
-        };
-      };
-    };
+    user: UserDataErrorResponseJsonApi;
   };
 }
 
diff --git a/src/assets/i18n/en.json b/src/assets/i18n/en.json
index 740df40fa..5e7b617d2 100644
--- a/src/assets/i18n/en.json
+++ b/src/assets/i18n/en.json
@@ -926,7 +926,8 @@
         "preview": "Preview",
         "current": "Current",
         "successSaved": "Wiki version has been saved successfully",
-        "noContent": "Add important information, links, or images here to describe your project."
+        "noContent": "Add important information, links, or images here to describe your project.",
+        "unknownAuthor": "Unknown author"
       },
       "list": {
         "header": "Project Wiki Pages",