diff --git a/gnu-system.am b/gnu-system.am
index 4da3f5b4cd..99225b2a18 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -448,6 +448,7 @@ dist_patch_DATA =						\
   gnu/packages/patches/util-linux-perl.patch			\
   gnu/packages/patches/vpnc-script.patch			\
   gnu/packages/patches/w3m-fix-compile.patch			\
+  gnu/packages/patches/wmctrl-64-fix.patch			\
   gnu/packages/patches/xf86-input-synaptics-glibc-2.20.patch	\
   gnu/packages/patches/xf86-video-openchrome-includes.patch	\
   gnu/packages/patches/xmodmap-asprintf.patch
diff --git a/gnu/packages/patches/wmctrl-64-fix.patch b/gnu/packages/patches/wmctrl-64-fix.patch
new file mode 100644
index 0000000000..3ec1c913ff
--- /dev/null
+++ b/gnu/packages/patches/wmctrl-64-fix.patch
@@ -0,0 +1,32 @@
+Description: Correct 64 Architecture implementation of 32 bit data
+Author: Chris Donoghue <cdonoghu@gmail.com>
+Bug-Debian: http://bugs.debian.org/362068
+
+--- wmctrl-1.07.orig/main.c
++++ wmctrl-1.07/main.c
+@@ -1425,6 +1425,16 @@ static gchar *get_property (Display *dis
+      *
+      * long_length = Specifies the length in 32-bit multiples of the
+      *               data to be retrieved.
++     *
++     * NOTE:  see 
++     * http://mail.gnome.org/archives/wm-spec-list/2003-March/msg00067.html
++     * In particular:
++     *
++     * 	When the X window system was ported to 64-bit architectures, a
++     * rather peculiar design decision was made. 32-bit quantities such
++     * as Window IDs, atoms, etc, were kept as longs in the client side
++     * APIs, even when long was changed to 64 bits.
++     *
+      */
+     if (XGetWindowProperty(disp, win, xa_prop_name, 0, MAX_PROPERTY_VALUE_LEN / 4, False,
+             xa_prop_type, &xa_ret_type, &ret_format,     
+@@ -1441,6 +1451,8 @@ static gchar *get_property (Display *dis
+ 
+     /* null terminate the result to make string handling easier */
+     tmp_size = (ret_format / 8) * ret_nitems;
++    /* Correct 64 Architecture implementation of 32 bit data */
++    if(ret_format==32) tmp_size *= sizeof(long)/4;
+     ret = g_malloc(tmp_size + 1);
+     memcpy(ret, ret_prop, tmp_size);
+     ret[tmp_size] = '\0';
diff --git a/gnu/packages/xdisorg.scm b/gnu/packages/xdisorg.scm
index a118fd745e..a46b8f8fac 100644
--- a/gnu/packages/xdisorg.scm
+++ b/gnu/packages/xdisorg.scm
@@ -2,6 +2,7 @@
 ;;; Copyright © 2013, 2014 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
+;;; Copyright © 2014 Alex Kost <alezost@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -27,6 +28,7 @@ (define-module (gnu packages xdisorg)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages image)
   #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages glib)
   #:use-module (gnu packages xorg))
 
 ;; packages outside the x.org system proper
@@ -215,3 +217,37 @@ (define-public startup-notification
 System style license, and has no special dependencies.")
     ;; Most of the code is provided under x11 license.
     (license license:lgpl2.0+)))
+
+(define-public wmctrl
+  (package
+    (name "wmctrl")
+    (version "1.07")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "http://tomas.styblo.name/wmctrl/dist/wmctrl-"
+                    version ".tar.gz"))
+              (sha256
+               (base32
+                "1afclc57b9017a73mfs9w7lbdvdipmf9q0xdk116f61gnvyix2np"))
+              (patches (list (search-patch "wmctrl-64-fix.patch")))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:configure-flags
+       (list (string-append "--mandir="
+                            (assoc-ref %outputs "out")
+                            "/share/man"))))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (inputs
+     `(("libx11" ,libx11)
+       ("libxmu" ,libxmu)
+       ("glib" ,glib)))
+    (home-page "http://tomas.styblo.name/wmctrl/")
+    (synopsis "Command-line tool to control X window managers")
+    (description
+     "Wmctrl allows to interact with an X window manager that is compatible
+with the EWMH/NetWM specification.  It can query the window manager for
+information, and request for certain window management actions (resize and
+move windows, switch between desktops, etc.)")
+    (license license:gpl2+)))