diff --git a/src/mess/drivers/pc.c b/src/mess/drivers/pc.c
index 09b0efaf470..9cc24e26e52 100644
--- a/src/mess/drivers/pc.c
+++ b/src/mess/drivers/pc.c
@@ -890,8 +890,8 @@ SLOT_INTERFACE_END
 	MCFG_CPU_ADD("maincpu", type, clock)				\
 	MCFG_CPU_PROGRAM_MAP(mem##_map)	\
 	MCFG_CPU_IO_MAP(port##_io)	\
-	MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", pc_state, vblankfunc, "screen", 0, 1) \
-	MCFG_CPU_CONFIG(i86_address_mask)
+	MCFG_CPU_CONFIG(i86_address_mask)	\
+	MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", pc_state, vblankfunc, "screen", 0, 1)
 
 
 /* F4 Character Displayer */