diff --git a/src/burn/drv/neogeo/neo_run.cpp b/src/burn/drv/neogeo/neo_run.cpp
index 4a662b248..aa7c3ae77 100644
--- a/src/burn/drv/neogeo/neo_run.cpp
+++ b/src/burn/drv/neogeo/neo_run.cpp
@@ -1862,7 +1862,7 @@ static inline void SendSoundCommand(const UINT8 nCommand)
 	if (bSoundNMIEnabled) ZetNmi();
 
 #if 1 && defined USE_SPEEDHACKS
-	neogeoSynchroniseZ80((s1945pmode) ? 0x60 : 0x0200);
+	neogeoSynchroniseZ80(0x64);
 #endif
 }