diff --git a/src/mame/drivers/megadriv.c b/src/mame/drivers/megadriv.c
index 942be34d1e6..700eb6cb646 100644
--- a/src/mame/drivers/megadriv.c
+++ b/src/mame/drivers/megadriv.c
@@ -1606,7 +1606,7 @@ INPUT_PORTS_START( ssf2ghw )
 //  PORT_DIPSETTING(    0x00, "10 (Fastest)" )
 INPUT_PORTS_END
 
-static INPUT_PORTS_START(mk3ghw)
+INPUT_PORTS_START(mk3ghw)
 	PORT_INCLUDE( md_common )
 
 	PORT_MODIFY("PAD1")