diff --git a/src/mame/handheld/hh_sm510.cpp b/src/mame/handheld/hh_sm510.cpp
index 37bec6ec4bf..5698f1763c8 100644
--- a/src/mame/handheld/hh_sm510.cpp
+++ b/src/mame/handheld/hh_sm510.cpp
@@ -4934,7 +4934,7 @@ static INPUT_PORTS_START( elbaskb )
 	PORT_CONFSETTING(    0x04, "2" )
 
 	PORT_START("B")
-	PORT_CONFNAME( 0x01, 0x01, DEF_STR( Players ) )
+	PORT_CONFNAME( 0x01, 0x00, DEF_STR( Players ) )
 	PORT_CONFSETTING(    0x00, "1" )
 	PORT_CONFSETTING(    0x01, "2" )
 INPUT_PORTS_END