diff --git a/src/identity-and-account/preferences/services/preferences.service.ts b/src/identity-and-account/preferences/services/preferences.service.ts
index c325db4..b03db61 100644
--- a/src/identity-and-account/preferences/services/preferences.service.ts
+++ b/src/identity-and-account/preferences/services/preferences.service.ts
@@ -45,7 +45,7 @@ export class PreferencesService {
         const user_id = await this.emailResolver.resolveUserIdWithEmail(email);
         if (!user_id.success) return { success: false, error: user_id.error }
 
-        const updated_preferences = await this.prisma.preferences.update({
+        const updated_preferences: PreferencesDto = await this.prisma.preferences.update({
                 where: { user_id: user_id.data },
                 data: {
                     notifications: dto.notifications,