diff --git a/src/emu/drivers/xtal.h b/src/emu/drivers/xtal.h
index 0c2d55b7722..d91715104bc 100644
--- a/src/emu/drivers/xtal.h
+++ b/src/emu/drivers/xtal.h
@@ -112,6 +112,7 @@ enum
 	XTAL_28MHz   		= 28000000,
 	XTAL_28_37516MHz	= 28375160,		/* Amiga PAL systems */
 	XTAL_28_63636MHz  	= 28636360,		/* Later Leland games and Atari GT, Amiga NTSC , Raiden2 h/w */
+	XTAL_30MHz   		= 30000000,		/* Impera Magic Card */
 	XTAL_30_4761MHz  	= 30476100,		/* Taito JC */
 	XTAL_32MHz   		= 32000000,
 	XTAL_32_22MHz  		= 32220000,		/* Typically used on 90's Data East PCBs */