diff --git a/VContainer/Assets/VContainer/Runtime/Unity/SystemRegistrationBuilder.cs b/VContainer/Assets/VContainer/Runtime/Unity/SystemRegistrationBuilder.cs
index 446f1a2a..c3c386e4 100644
--- a/VContainer/Assets/VContainer/Runtime/Unity/SystemRegistrationBuilder.cs
+++ b/VContainer/Assets/VContainer/Runtime/Unity/SystemRegistrationBuilder.cs
@@ -31,7 +31,7 @@ public override Registration Build() {
 
 			Type type = typeof(SystemInstanceProvider<>).MakeGenericType(ImplementationType);
 			var provider = (IInstanceProvider)Activator.CreateInstance(type, parameters);
-			return new (ImplementationType, Lifetime, InterfaceTypes, provider);
+			return new Registration(ImplementationType, Lifetime, InterfaceTypes, provider);
 		}
 
 		public SystemRegistrationBuilder IntoGroup<T>() where T : ComponentSystemGroup {