diff --git a/src/emu/machine/6821pia.c b/src/emu/machine/6821pia.c
index 1af2e1999de..9968963608f 100644
--- a/src/emu/machine/6821pia.c
+++ b/src/emu/machine/6821pia.c
@@ -48,7 +48,7 @@ const device_type PIA6821 = &device_creator<pia6821_device>;
 //-------------------------------------------------
 
 pia6821_device::pia6821_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
-	: device_t(mconfig, PIA6821, "6822 PIA", tag, owner, clock, "pia6821", __FILE__),
+	: device_t(mconfig, PIA6821, "6821 PIA", tag, owner, clock, "pia6821", __FILE__),
 	m_in_a_handler(*this),
 	m_in_b_handler(*this),
 	m_in_ca1_handler(*this),