diff --git a/src/emu/imagedev/bitbngr.c b/src/emu/imagedev/bitbngr.c
index e0cb96dbe52..fb7355647d6 100644
--- a/src/emu/imagedev/bitbngr.c
+++ b/src/emu/imagedev/bitbngr.c
@@ -343,7 +343,7 @@ void bitbanger_device::device_config_complete(void)
 		m_default_baud = 0;
 		m_default_tune = 0;
 	}
-	update_names();
+	update_names(BITBANGER, "bitbngr", "");
 }
 
 
diff --git a/src/emu/imagedev/bitbngr.h b/src/emu/imagedev/bitbngr.h
index 715a45417d7..5f443ba893b 100644
--- a/src/emu/imagedev/bitbngr.h
+++ b/src/emu/imagedev/bitbngr.h
@@ -96,13 +96,13 @@ public:
 	virtual bool call_create(int format_type, option_resolution *format_options);
 
 	// image device
-	virtual iodevice_t image_type() const { return IO_PRINTER; }
+	virtual iodevice_t image_type() const { return IO_SERIAL; }
 	virtual bool is_readable()  const { return 1; }
 	virtual bool is_writeable() const { return 1; }
 	virtual bool is_creatable() const { return 1; }
 	virtual bool must_be_loaded() const { return 0; }
 	virtual bool is_reset_on_load() const { return 0; }
-	virtual const char *file_extensions() const { return "prn"; }
+	virtual const char *file_extensions() const { return ""; }
 	virtual const option_guide *create_option_guide() const { return NULL; }
 
 	// outputs data to a bitbanger port