diff --git a/graph_test.go b/graph_test.go
index 5904a45..7d4795e 100644
--- a/graph_test.go
+++ b/graph_test.go
@@ -28,7 +28,7 @@ func withSubstate() *stateless.StateMachine {
 }
 
 func withInitialState() *stateless.StateMachine {
-	sm := stateless.NewStateMachine("A")
+	sm := stateless.NewStateMachine("AA")
 	sm.Configure("A").
 		Permit("X", "B")
 	sm.Configure("B").