diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index b3014fda645c2d1e5aae824e2a61c6a3b1511e7a..ccf746b27d4ea370758ad50fb2c3cbdf07eaaf92 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -78,6 +78,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(SAGEM_VENDOR_ID, SAGEM_PRODUCT_ID) },
 	{ USB_DEVICE(LEADTEK_VENDOR_ID, LEADTEK_9531_PRODUCT_ID) },
 	{ USB_DEVICE(SPEEDDRAGON_VENDOR_ID, SPEEDDRAGON_PRODUCT_ID) },
+	{ USB_DEVICE(OTI_VENDOR_ID, OTI_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
 
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 77901d14397940382d6ec98d6b1796a7242b6cc7..09f379b19e98517633e86ab4d85710a066f56b4d 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -79,3 +79,7 @@
 /* USB GSM cable from Speed Dragon Multimedia, Ltd */
 #define SPEEDDRAGON_VENDOR_ID	0x0e55
 #define SPEEDDRAGON_PRODUCT_ID	0x110b
+
+/* Ours Technology Inc DKU-5 clone, chipset: Prolific Technology Inc */
+#define OTI_VENDOR_ID	0x0ea0
+#define OTI_PRODUCT_ID	0x6858