diff --git a/pkgs/misc/sane-backends/snapshot.nix b/pkgs/misc/sane-backends/snapshot.nix
index 636ae37ec05..8b74db5df44 100644
--- a/pkgs/misc/sane-backends/snapshot.nix
+++ b/pkgs/misc/sane-backends/snapshot.nix
@@ -1,18 +1,17 @@
-{ stdenv, fetchurl, hotplugSupport ? true, libusb ? null
-, gt68xxFirmware ? null }:
+{ stdenv, fetchurl, fetchgit, hotplugSupport ? true, libusb ? null, gt68xxFirmware ? null }:
 let
-  firmware = gt68xxFirmware {inherit fetchurl;};
+  firmware = gt68xxFirmware { inherit fetchurl; };
 in
-assert hotplugSupport -> stdenv.system == "i686-linux";
+assert hotplugSupport -> (stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux");
 
 stdenv.mkDerivation {
-  name = "sane-backends-1.0.22.git201111204";
-  
+  name = "sane-backends-1.0.22.git20121123";
+
   src = fetchurl {
-    url = http://www.sane-project.org/snapshots/sane-backends-git20111204.tar.gz;
-    sha256 = "00b3fi8zjrq3in0wndz1xcz228mgfhwhh2knmyjsikr88hal0m47";
+    url = "http://www.sane-project.org/snapshots/sane-backends-git20121123.tar.gz";
+    sha256 = "d13a8c9e85af52f7be2e45c70cb93a76ec04b76e7fc983809e7d70389b6e7ae5";
   };
-  
+
   udevSupport = hotplugSupport;
 
   buildInputs = if libusb != null then [libusb] else [];
@@ -26,7 +25,7 @@ stdenv.mkDerivation {
   '';
 
   preInstall =
-    if gt68xxFirmware != null then 
+    if gt68xxFirmware != null then
       "mkdir -p \${out}/share/sane/gt68xx ; ln -s " + firmware.fw +
       " \${out}/share/sane/gt68xx/" + firmware.name
     else "";