diff --git a/pkgs/desktops/xfce/core/xfwm4.nix b/pkgs/desktops/xfce/core/xfwm4.nix
index d861e5f2d55..313a2662f03 100644
--- a/pkgs/desktops/xfce/core/xfwm4.nix
+++ b/pkgs/desktops/xfce/core/xfwm4.nix
@@ -3,14 +3,14 @@
 let
   p_name  = "xfwm4";
   ver_maj = "4.12";
-  ver_min = "3";
+  ver_min = "4";
 in
 stdenv.mkDerivation rec {
   name = "${p_name}-${ver_maj}.${ver_min}";
 
   src = fetchurl {
     url = "mirror://xfce/src/xfce/${p_name}/${ver_maj}/${name}.tar.bz2";
-    sha256 = "f4a988fbc4e0df7e8583c781d271559e56fd28696092f94ae052e9e6edb09eac";
+    sha256 = "0dpvdrd5lclkcrzmdpva38gfsgvdf3xkqfknvy96x6k4fn508x7s";
   };
 
   buildInputs =