diff --git a/source/6522.h b/source/6522.h
index 7dfa0938..07877b43 100644
--- a/source/6522.h
+++ b/source/6522.h
@@ -7,6 +7,7 @@ public:
 	{
 		for (UINT i = 0; i < kNumTimersPer6522; i++)
 			m_syncEvent[i] = NULL;
+		Reset(true);
 	}
 
 	~SY6522(void)