diff --git a/src/mame/drivers/nyny.cpp b/src/mame/drivers/nyny.cpp
index e6040373eee..01da50d9a4f 100644
--- a/src/mame/drivers/nyny.cpp
+++ b/src/mame/drivers/nyny.cpp
@@ -588,7 +588,7 @@ void nyny_state::machine_reset()
 static MACHINE_CONFIG_START( nyny )
 
 	/* basic machine hardware */
-	MCFG_CPU_ADD("maincpu", M6809, 1400000) /* 1.40 MHz? The clock signal is generated by analog chips */
+	MCFG_CPU_ADD("maincpu", MC6809, 5600000) /* 1.40 MHz? The clock signal is generated by analog chips */
 	MCFG_CPU_PROGRAM_MAP(nyny_main_map)
 	MCFG_CPU_PERIODIC_INT_DRIVER(nyny_state, update_pia_1,  25)