diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 67793d9ca5fb4a89404e7f053865c2d6ea6cf451..f5851db67f5be87b2f37a69afd3feeb54fc93fbf 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -494,6 +494,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
 	{ USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
+	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 18bcc3ab4d221b2ff51d5ac4409321439bbcd623..2155f0e4a378b29bd7dfab86e7044f4ef3d440e0 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -405,6 +405,15 @@
  */
 #define FTDI_ECLO_COM_1WIRE_PID	0xEA90	/* COM to 1-Wire USB adaptor */
 
+/*
+ * Papouch products (http://www.papouch.com/)
+ * Submitted by Folkert van Heusden
+ */
+
+#define PAPOUCH_VID			0x5050	/* Vendor ID */
+#define PAPOUCH_TMU_PID			0x0400	/* TMU USB Thermometer */
+
+
 /* Commands */
 #define FTDI_SIO_RESET 		0 /* Reset the port */
 #define FTDI_SIO_MODEM_CTRL 	1 /* Set the modem control register */