diff --git a/src/RawRabbit.Operations.StateMachine/StateMachineBase.cs b/src/RawRabbit.Operations.StateMachine/StateMachineBase.cs
index fda8355c..9b95a18d 100644
--- a/src/RawRabbit.Operations.StateMachine/StateMachineBase.cs
+++ b/src/RawRabbit.Operations.StateMachine/StateMachineBase.cs
@@ -18,7 +18,7 @@ public abstract class StateMachineBase<TState, TTrigger, TModel> : StateMachineB
 
 		protected StateMachineBase(TModel model = null)
 		{
-			Model = model?.Id == Guid.Empty ? Initialize() : model;
+			Model = (model == null || model.Id == Guid.Empty) ? Initialize() : model;
 			StateMachine = new StateMachine<TState, TTrigger>(() => Model.State, s => Model.State = s);
 			ConfigureState(StateMachine);
 		}