diff --git a/sys/dev/usb/usbdevs b/sys/dev/usb/usbdevs
index 17590689f736..07c4b2478d71 100644
--- a/sys/dev/usb/usbdevs
+++ b/sys/dev/usb/usbdevs
@@ -580,6 +580,7 @@ product ACERP ACERSCAN_C310U	0x12a6	Acerscan C310U
 product ACERP ACERSCAN_320U	0x2022	Acerscan 320U
 product ACERP ACERSCAN_640U	0x2040	Acerscan 640U
 product ACERP ACERSCAN_620U	0x2060	Acerscan 620U
+product ACERP ACERSCAN_1240U	0x20c0	Acerscan 1240U
 product ACERP AWL300		0x9000	AWL300 Wireless adapter
 product ACERP AWL400		0x9001	AWL400 Wireless adapter
 
diff --git a/sys/dev/usb/uscanner.c b/sys/dev/usb/uscanner.c
index 3b50f7fe0e0d..b905837063c1 100644
--- a/sys/dev/usb/uscanner.c
+++ b/sys/dev/usb/uscanner.c
@@ -102,6 +102,7 @@ static const struct uscan_info uscanner_devs[] = {
  {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_320U }, 0 },
  {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_640U }, 0 },
  {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_620U }, 0 },
+ {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_1240U }, 0 },
  {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_C310U }, 0 },
 
   /* AGFA */