diff --git a/src/emu/machine/eepromdev.c b/src/emu/machine/eepromdev.c
index a98a0fade10..1ea81effaea 100644
--- a/src/emu/machine/eepromdev.c
+++ b/src/emu/machine/eepromdev.c
@@ -279,10 +279,14 @@ int eepromdev_read_bit(const device_config *device)
 	return res;
 }
 
-/*CUSTOM_INPUT( eeprom_bit_r )
+CUSTOM_INPUT( eepromdev_bit_r )
 {
-    return eeprom_read_bit();
-}*/
+	const char *devtag = (const char *)param;
+	const device_config *eeprom = devtag_get_device(field->port->machine, devtag);
+
+	/* we test if the device is indeed an eeprom when calling this device handler */
+	return eepromdev_read_bit(eeprom);
+}
 
 void eepromdev_set_cs_line(const device_config *device, int state)
 {
diff --git a/src/emu/machine/eepromdev.h b/src/emu/machine/eepromdev.h
index beb383d565c..56ba586cb80 100644
--- a/src/emu/machine/eepromdev.h
+++ b/src/emu/machine/eepromdev.h
@@ -61,7 +61,7 @@ extern UINT8 *eeprom_empty_default_data;
 
 void eepromdev_write_bit( const device_config *device, int bit );
 int eepromdev_read_bit( const device_config *device );
-//CUSTOM_INPUT( eeprom_bit_r );
+CUSTOM_INPUT( eepromdev_bit_r );
 void eepromdev_set_cs_line( const device_config *device, int state );
 void eepromdev_set_clock_line( const device_config *device, int state );