diff --git a/pkgs/applications/version-management/guitone/default.nix b/pkgs/applications/version-management/guitone/default.nix
index 88859ee9607..a396765e918 100644
--- a/pkgs/applications/version-management/guitone/default.nix
+++ b/pkgs/applications/version-management/guitone/default.nix
@@ -1,18 +1,25 @@
-{ stdenv, fetchurl, qt4 }:
+{ stdenv, fetchurl, fetchmtn, qt4 }:
 
-let version = "1.0rc4"; in
+let version = "1.0-mtn-head"; in
 stdenv.mkDerivation rec {
   name = "guitone-${version}";
 
-  src = fetchurl {
-    url = "${meta.homepage}/count.php/from=default/${version}/${name}.tgz";
-    sha256 = "08kcyar6p6v5z4dq6q6c1dhyxc2jj49qcd6lj3rdn1rb9hz4n7ms";
+  #src = fetchurl {
+  #  url = "${meta.homepage}/count.php/from=default/${version}/${name}.tgz";
+  #  sha256 = "08kcyar6p6v5z4dq6q6c1dhyxc2jj49qcd6lj3rdn1rb9hz4n7ms";
+  #};
+
+  src = fetchmtn {
+    dbs = ["mtn://code.monotone.ca/guitone"];
+    selector = "2777cdef424c65df93fa1ff181f02ee30d4901ab";
+    sha256 = "918d36a83060b84efa0ee0fe0fd058f1c871c91156d91366e2e979c886ff4271";
+    branch = "net.venge.monotone.guitone";
   };
 
   buildInputs = [ qt4 ];
 
   prefixKey="PREFIX=";
-  configureScript = "qmake";
+  configureScript = "qmake guitone.pro";
 
   meta = {
     description = "Qt4 based GUI for monotone";