diff --git a/VpSharp.Commands/Attributes/ExecutionChecks/RequireBotOwnerAttribute.cs b/VpSharp.Commands/Attributes/ExecutionChecks/RequireBotOwnerAttribute.cs
index bd23e46..e716ce9 100644
--- a/VpSharp.Commands/Attributes/ExecutionChecks/RequireBotOwnerAttribute.cs
+++ b/VpSharp.Commands/Attributes/ExecutionChecks/RequireBotOwnerAttribute.cs
@@ -13,6 +13,6 @@ public sealed class RequireBotOwnerAttribute : PreExecutionCheckAttribute
             throw new ArgumentNullException(nameof(context));
         }
 
-        return Task.FromResult(context.Avatar.User == context.Client.CurrentUser);
+        return Task.FromResult(context.Avatar.UserId == context.Client.CurrentUser?.Id);
     }
 }
diff --git a/VpSharp.Commands/Attributes/ExecutionChecks/RequireUserIdAttribute.cs b/VpSharp.Commands/Attributes/ExecutionChecks/RequireUserIdAttribute.cs
index e7b0a19..bd22c0a 100644
--- a/VpSharp.Commands/Attributes/ExecutionChecks/RequireUserIdAttribute.cs
+++ b/VpSharp.Commands/Attributes/ExecutionChecks/RequireUserIdAttribute.cs
@@ -52,6 +52,6 @@ public sealed class RequireUserIdAttribute : PreExecutionCheckAttribute
             throw new ArgumentNullException(nameof(context));
         }
 
-        return Task.FromResult(UserIds.Any(i => context.Avatar.User.Id == i));
+        return Task.FromResult(UserIds.Contains(context.Avatar.UserId));
     }
 }
diff --git a/VpSharp.Commands/Attributes/ExecutionChecks/RequireUserNameAttribute.cs b/VpSharp.Commands/Attributes/ExecutionChecks/RequireUserNameAttribute.cs
index 9323b6b..f008b13 100644
--- a/VpSharp.Commands/Attributes/ExecutionChecks/RequireUserNameAttribute.cs
+++ b/VpSharp.Commands/Attributes/ExecutionChecks/RequireUserNameAttribute.cs
@@ -47,14 +47,14 @@ public sealed class RequireUserNameAttribute : PreExecutionCheckAttribute
     public IReadOnlyList<string> Names { get; }
 
     /// <inheritdoc />
-    protected internal override Task<bool> PerformAsync(CommandContext context)
+    protected internal override async Task<bool> PerformAsync(CommandContext context)
     {
         if (context is null)
         {
             throw new ArgumentNullException(nameof(context));
         }
 
-        VirtualParadiseUser user = context.Avatar.User;
-        return Task.FromResult(Names.Contains(user.Name));
+        VirtualParadiseUser user = await context.Avatar.GetUserAsync().ConfigureAwait(false);
+        return Names.Contains(user.Name);
     }
 }
diff --git a/VpSharp/src/Entities/VirtualParadiseAvatar.cs b/VpSharp/src/Entities/VirtualParadiseAvatar.cs
index b3f0e47..bd9dd3f 100644
--- a/VpSharp/src/Entities/VirtualParadiseAvatar.cs
+++ b/VpSharp/src/Entities/VirtualParadiseAvatar.cs
@@ -13,6 +13,7 @@ namespace VpSharp.Entities;
 public sealed class VirtualParadiseAvatar : IEquatable<VirtualParadiseAvatar>
 {
     private readonly VirtualParadiseClient _client;
+    private VirtualParadiseUser? _user;
 
     internal VirtualParadiseAvatar(VirtualParadiseClient client, int session)
     {
@@ -60,10 +61,10 @@ public sealed class VirtualParadiseAvatar : IEquatable<VirtualParadiseAvatar>
     public int Type { get; internal set; }
 
     /// <summary>
-    ///     Gets the user associated with this avatar.
+    ///     Gets the user ID associated with this avatar.
     /// </summary>
-    /// <value>The user.</value>
-    public VirtualParadiseUser User { get; internal set; } = null!;
+    /// <value>The user ID.</value>
+    public int UserId { get; internal set; }
 
     /// <summary>
     ///     Determines if two <see cref="VirtualParadiseAvatar" /> instances are equal.
@@ -150,7 +151,7 @@ public sealed class VirtualParadiseAvatar : IEquatable<VirtualParadiseAvatar>
             return true;
         }
 
-        return Session == other.Session && User.Equals(other.User);
+        return Session == other.Session && UserId.Equals(other.UserId);
     }
 
     /// <inheritdoc />
@@ -163,10 +164,20 @@ public sealed class VirtualParadiseAvatar : IEquatable<VirtualParadiseAvatar>
     public override int GetHashCode()
     {
         // ReSharper disable NonReadonlyMemberInGetHashCode
-        return HashCode.Combine(Session, User);
+        return HashCode.Combine(Session, UserId);
         // ReSharper restore NonReadonlyMemberInGetHashCode
     }
 
+    /// <summary>
+    ///     Gets the user associated with this avatar.
+    /// </summary>
+    /// <returns>The user.</returns>
+    public async Task<VirtualParadiseUser> GetUserAsync()
+    {
+        _user ??= await _client.GetUserAsync(UserId).ConfigureAwait(false);
+        return _user;
+    }
+
     /// <summary>
     ///     Sends a console message to the avatar with no name.
     /// </summary>
@@ -469,6 +480,6 @@ public sealed class VirtualParadiseAvatar : IEquatable<VirtualParadiseAvatar>
     /// <inheritdoc />
     public override string ToString()
     {
-        return $"Avatar #{Session}; {User.Name} ({Name})";
+        return $"Avatar #{Session}; User #{UserId} ({Name})";
     }
 }
diff --git a/VpSharp/src/VirtualParadiseClient.Avatars.cs b/VpSharp/src/VirtualParadiseClient.Avatars.cs
index d5c3fdd..5c3f8f8 100644
--- a/VpSharp/src/VirtualParadiseClient.Avatars.cs
+++ b/VpSharp/src/VirtualParadiseClient.Avatars.cs
@@ -36,7 +36,7 @@ public sealed partial class VirtualParadiseClient
             existing.Location = avatar.Location;
             existing.Application = avatar.Application;
             existing.Type = avatar.Type;
-            existing.User = avatar.User;
+            existing.UserId = avatar.UserId;
             return existing;
         });
     }
@@ -62,7 +62,8 @@ public sealed partial class VirtualParadiseClient
             {
                 Name = vp_string(sender, StringAttribute.AvatarName),
                 Location = new Location(CurrentWorld!, position, rotation),
-                Application = new Application(applicationName, applicationVersion)
+                Application = new Application(applicationName, applicationVersion),
+                UserId = vp_int(sender, IntegerAttribute.UserId)
             };
         }
     }
diff --git a/VpSharp/src/VirtualParadiseClient.NativeEvents.cs b/VpSharp/src/VirtualParadiseClient.NativeEvents.cs
index a4d26b5..e45ef4b 100644
--- a/VpSharp/src/VirtualParadiseClient.NativeEvents.cs
+++ b/VpSharp/src/VirtualParadiseClient.NativeEvents.cs
@@ -89,7 +89,6 @@ public sealed partial class VirtualParadiseClient
     private void OnAvatarAddNativeEvent(nint sender)
     {
         VirtualParadiseAvatar avatar = ExtractAvatar(sender);
-        avatar.User = GetUserAsync(vp_int(sender, IntegerAttribute.UserId)).ConfigureAwait(false).GetAwaiter().GetResult();
         avatar = AddOrUpdateAvatar(avatar);
         _avatarJoined.OnNext(avatar);
     }
diff --git a/VpSharp/src/VirtualParadiseClient.cs b/VpSharp/src/VirtualParadiseClient.cs
index c10a2a4..d926787 100644
--- a/VpSharp/src/VirtualParadiseClient.cs
+++ b/VpSharp/src/VirtualParadiseClient.cs
@@ -408,7 +408,7 @@ public sealed partial class VirtualParadiseClient : IDisposable
             Application = _configuration.Application!,
             Name = $"[{_configuration.BotName}]",
             Location = new Location(world, Vector3d.Zero, Rotation.None),
-            User = CurrentUser!
+            UserId = CurrentUser!.Id
         };
 
         if (CurrentWorld is not null)