diff --git a/src/models/responses/ResponseUser.ts b/src/models/responses/ResponseUser.ts
index 9ec729a..0927106 100644
--- a/src/models/responses/ResponseUser.ts
+++ b/src/models/responses/ResponseUser.ts
@@ -47,6 +47,13 @@ export class ResponseUser extends ResponsePrincipal {
     @IsString()
     email?: string;
 
+    /**
+     * The user's username.
+     * Optional.
+     */
+    @IsString()
+    username?: string;
+
     /**
     * is user enabled?
     */
@@ -81,6 +88,7 @@ export class ResponseUser extends ResponsePrincipal {
         this.lastname = user.lastname;
         this.phone = user.phone;
         this.email = user.email;
+        this.username = user.username;
         this.enabled = user.enabled;
         this.profilePic = user.profilePic;
         this.groups = user.groups;