diff --git a/src/OrchardCore/OrchardCore.Users.Core/Services/UserStore.cs b/src/OrchardCore/OrchardCore.Users.Core/Services/UserStore.cs
index 76c04ef6283..a442f887f84 100644
--- a/src/OrchardCore/OrchardCore.Users.Core/Services/UserStore.cs
+++ b/src/OrchardCore/OrchardCore.Users.Core/Services/UserStore.cs
@@ -467,6 +467,8 @@ public async Task AddToRoleAsync(IUser user, string normalizedRoleName, Cancella
                 {
                     throw new InvalidOperationException($"Role {normalizedRoleName} does not exist.");
                 }
+
+                u.RoleNames.Add(normalizedRoleName);
             }
         }
 
@@ -485,6 +487,8 @@ public async Task RemoveFromRoleAsync(IUser user, string normalizedRoleName, Can
                 {
                     throw new InvalidOperationException($"Role {normalizedRoleName} does not exist.");
                 }
+
+                u.RoleNames.Remove(normalizedRoleName);
             }
         }