diff --git a/src/Umbraco.Web.UI.Client/src/mocks/data/user/user.data.ts b/src/Umbraco.Web.UI.Client/src/mocks/data/user/user.data.ts
index c10f52fb45..86f8e4332f 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/data/user/user.data.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/data/user/user.data.ts
@@ -25,7 +25,7 @@ export const data: Array<UserResponseModel & { type: string }> = [
 		mediaStartNodeIds: ['f2f81a40-c989-4b6b-84e2-057cecd3adc1'],
 		name: 'Amelie Walker',
 		email: 'awalker1@domain.com',
-		languageIsoCode: 'Japanese',
+		languageIsoCode: 'da-DK',
 		state: UserStateModel.INACTIVE,
 		lastLoginDate: '2023-10-12T18:30:32.879Z',
 		lastLockoutDate: null,
@@ -42,7 +42,7 @@ export const data: Array<UserResponseModel & { type: string }> = [
 		mediaStartNodeIds: [],
 		name: 'Oliver Kim',
 		email: 'okim1@domain.com',
-		languageIsoCode: 'Russian',
+		languageIsoCode: 'da-DK',
 		state: UserStateModel.ACTIVE,
 		lastLoginDate: '2023-10-12T18:30:32.879Z',
 		lastLockoutDate: null,
@@ -59,7 +59,7 @@ export const data: Array<UserResponseModel & { type: string }> = [
 		mediaStartNodeIds: [],
 		name: 'Eliana Nieves',
 		email: 'enieves1@domain.com',
-		languageIsoCode: 'Spanish',
+		languageIsoCode: 'en-US',
 		state: UserStateModel.INVITED,
 		lastLoginDate: '2023-10-12T18:30:32.879Z',
 		lastLockoutDate: null,
@@ -76,7 +76,7 @@ export const data: Array<UserResponseModel & { type: string }> = [
 		mediaStartNodeIds: [],
 		name: 'Jasmine Patel',
 		email: 'jpatel1@domain.com',
-		languageIsoCode: 'Hindi',
+		languageIsoCode: 'en-US',
 		state: UserStateModel.LOCKED_OUT,
 		lastLoginDate: '2023-10-12T18:30:32.879Z',
 		lastLockoutDate: '2023-10-12T18:30:32.879Z',