diff --git a/Toolkit.Foundation/ComponentBuilder.cs b/Toolkit.Foundation/ComponentBuilder.cs
index 08496d2..ca508c4 100644
--- a/Toolkit.Foundation/ComponentBuilder.cs
+++ b/Toolkit.Foundation/ComponentBuilder.cs
@@ -24,7 +24,8 @@ public class ComponentBuilder :
                 services.AddScoped<IComponentHost, ComponentHost>();
 
                 services.AddScoped<IServiceFactory>(provider =>
-                    new ServiceFactory((type, parameters) => ActivatorUtilities.CreateInstance(provider, type, parameters!)));
+                    new ServiceFactory((type, parameters) => ActivatorUtilities.CreateInstance(provider, type,
+                    parameters?.Where(x => x is not null).ToArray()!)));
 
                 services.AddSingleton<IDisposer, Disposer>();
 
diff --git a/Toolkit.Foundation/DefaultHostBuilder.cs b/Toolkit.Foundation/DefaultHostBuilder.cs
index 5e8026e..b58e9db 100644
--- a/Toolkit.Foundation/DefaultHostBuilder.cs
+++ b/Toolkit.Foundation/DefaultHostBuilder.cs
@@ -18,7 +18,8 @@ public class DefaultHostBuilder :
             .ConfigureServices((context, services) =>
             {
                 services.AddScoped<IServiceFactory>(provider =>
-                    new ServiceFactory((type, parameters) => ActivatorUtilities.CreateInstance(provider, type, parameters!)));
+                    new ServiceFactory((type, parameters) => ActivatorUtilities.CreateInstance(provider, type,
+                    parameters?.Where(x => x is not null).ToArray()!)));
 
                 services.AddSingleton<IComponentHostCollection,
                     ComponentHostCollection>();