diff --git a/src/mame/drivers/taitogn.c b/src/mame/drivers/taitogn.c
index 702b99998fb..acfdeb3b809 100644
--- a/src/mame/drivers/taitogn.c
+++ b/src/mame/drivers/taitogn.c
@@ -906,7 +906,7 @@ ROM_START(flipmaze)
 	TAITOGNET_BIOS
 
 	DISK_REGION( "card" )
-	DISK_IMAGE( "flipmaze", 0, SHA1(015cb0e6c4421cc38809de28c4793b4491386aee))
+	DISK_IMAGE( "flipmaze", 0, SHA1(423b6c06f4f2d9a608ce20b61a3ac11687d22c40) )
 ROM_END