diff --git a/src/Project/Controllers/ProjectRoleController.cs b/src/Project/Controllers/ProjectRoleController.cs
index fd2588a5447cb4e5e540988dab2473c3cfd0dc3c..702a94039f10a48140febe54d3aa51dff40e44fa 100644
--- a/src/Project/Controllers/ProjectRoleController.cs
+++ b/src/Project/Controllers/ProjectRoleController.cs
@@ -49,7 +49,7 @@ namespace Coscine.Api.Project.Controllers
                         {
                             role = roleModel.GetById(projectRole.RoleId);
                         }
-                        return new ProjectRoleObject(projectRole.ProjectId, new UserObject(userInst.Id, userInst.DisplayName), new RoleObject(role.Id, role.DisplayName));
+                        return new ProjectRoleObject(projectRole.ProjectId, new UserObject(userInst.Id, userInst.DisplayName, userInst.EmailAddress), new RoleObject(role.Id, role.DisplayName));
                     });
                 }
                 else
diff --git a/src/Project/ReturnObjects/UserObject.cs b/src/Project/ReturnObjects/UserObject.cs
index 68c8acbbe4a5ee522928363725a0c3653cbc8431..d8cd98f8de6645caf5c7e8fd97586524d676075c 100644
--- a/src/Project/ReturnObjects/UserObject.cs
+++ b/src/Project/ReturnObjects/UserObject.cs
@@ -1,9 +1,5 @@
 using Coscine.ApiCommons.ReturnObjects;
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace Coscine.Api.Project.ReturnObjects
 {
@@ -13,11 +9,13 @@ namespace Coscine.Api.Project.ReturnObjects
         public Guid Id { get; set; }
 
         public string DisplayName { get; set; }
+        public string EmailAddress { get; set; }
 
-        public UserObject(Guid id, string displayName)
+        public UserObject(Guid id, string displayName, string emailAddress)
         {
             Id = id;
             DisplayName = displayName;
+            EmailAddress = emailAddress;
         }
     }
 }