diff --git a/src/devices/bus/svi3x8/slot/sv801.cpp b/src/devices/bus/svi3x8/slot/sv801.cpp
index 852ecf14c58..bccfd1539eb 100644
--- a/src/devices/bus/svi3x8/slot/sv801.cpp
+++ b/src/devices/bus/svi3x8/slot/sv801.cpp
@@ -31,7 +31,7 @@ static SLOT_INTERFACE_START( svi_floppies )
 SLOT_INTERFACE_END
 
 static MACHINE_CONFIG_FRAGMENT( sv801 )
-	MCFG_FD1793_ADD("fdc", XTAL_1MHz)
+	MCFG_FD1793_ADD("fdc", XTAL_8MHz / 8)
 	MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(sv801_device, intrq_w))
 	MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(sv801_device, drq_w))