diff --git a/ChangeLog b/ChangeLog
index e84be5e02..c623cbf3d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2004-03-08  Henning Meier-Geinitz <henning@meier-geinitz.de>
+
+	* tools/check-usb-scanner.c: GL841 max packet size can be 512
+	  bytes on USB 2.0.
+
 2004-03-04  Oliver Schirrmeister <oschirr@abm.de>
 	* backend/fujitsu.c 
           enabled dropoutcolor for fi4x20C
diff --git a/tools/check-usb-chip.c b/tools/check-usb-chip.c
index 0450f7055..752c2a05c 100644
--- a/tools/check-usb-chip.c
+++ b/tools/check-usb-chip.c
@@ -1,7 +1,7 @@
 /*
    check-usb-chip.c -- Find out what USB scanner chipset is used
    
-   Copyright (C) 2003 Henning Meier-Geinitz <henning@meier-geinitz.de>
+   Copyright (C) 2003, 2004 Henning Meier-Geinitz <henning@meier-geinitz.de>
    Copyright (C) 2003 Gerhard Jäger <gerhard@gjaeger.de>
                       for LM983x tests
    Copyright (C) 2003 Gerard Klaver <gerard at gkall dot hobby dot nl>
@@ -1548,8 +1548,10 @@ check_gl841 (struct usb_device *dev)
        bEndpointAddress != 0x81)
       || (dev->config[0].interface[0].altsetting[0].endpoint[0].
 	  bmAttributes != 0x02)
-      || (dev->config[0].interface[0].altsetting[0].endpoint[0].
-	  wMaxPacketSize != 0x40)
+      || ((dev->config[0].interface[0].altsetting[0].endpoint[0].
+	  wMaxPacketSize != 0x40) &&
+	  (dev->config[0].interface[0].altsetting[0].endpoint[0].
+	   wMaxPacketSize != 0x200))
       || (dev->config[0].interface[0].altsetting[0].endpoint[0].bInterval !=
 	  0x0))
     {
@@ -1570,8 +1572,10 @@ check_gl841 (struct usb_device *dev)
        bEndpointAddress != 0x02)
       || (dev->config[0].interface[0].altsetting[0].endpoint[1].
 	  bmAttributes != 0x02)
-      || (dev->config[0].interface[0].altsetting[0].endpoint[1].
-	  wMaxPacketSize != 0x40)
+      || ((dev->config[0].interface[0].altsetting[0].endpoint[1].
+	  wMaxPacketSize != 0x40) &&
+	  (dev->config[0].interface[0].altsetting[0].endpoint[1].
+	   wMaxPacketSize != 0x200))
       || (dev->config[0].interface[0].altsetting[0].endpoint[1].bInterval !=
 	  0))
     {