diff --git a/Source/Ps2Const.h b/Source/Ps2Const.h
index 9104cd4ff8..9664d85b69 100644
--- a/Source/Ps2Const.h
+++ b/Source/Ps2Const.h
@@ -10,7 +10,7 @@ namespace PS2
 
 	enum
 	{
-		EE_CLOCK_FREQ = 0x11940000
+		EE_CLOCK_FREQ = 0x11940000 / 4
 	};
 
 	enum