diff -Naur gsmartcontrol.orig/gsmartcontrol.install gsmartcontrol/gsmartcontrol.install
--- gsmartcontrol.orig/gsmartcontrol.install	2013-03-10 06:26:50.563901000 +0100
+++ gsmartcontrol/gsmartcontrol.install	2013-03-10 06:29:21.984330184 +0100
@@ -1,9 +1,12 @@
 post_install() {
   which xdg-icon-resource 1>/dev/null 2>/dev/null && xdg-icon-resource forceupdate || true
+  echo 'If you use a lightweight windowmanager, remember to run'
+  echo '/usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1 to enable'
+  echo 'graphical authentication, which may be needed for pkexec to work.'
 }
 
 post_upgrade() {
-  post_install $1
+  which xdg-icon-resource 1>/dev/null 2>/dev/null && xdg-icon-resource forceupdate || true
 }
 
 post_remove() {
diff -Naur gsmartcontrol.orig/org.archlinux.pkexec.gsmartcontrol.policy gsmartcontrol/org.archlinux.pkexec.gsmartcontrol.policy
--- gsmartcontrol.orig/org.archlinux.pkexec.gsmartcontrol.policy	2013-03-10 06:26:50.567234000 +0100
+++ gsmartcontrol/org.archlinux.pkexec.gsmartcontrol.policy	2013-03-10 06:29:20.190951391 +0100
@@ -5,14 +5,14 @@
 <policyconfig>
 
   <action id="org.archlinux.pkexec.gsmartcontrol">
-    <message>Authentication is required to run the gsmartcontrol</message>
+    <message>Authentication is required to run the GSmartControl</message>
     <icon_name>gsmartcontrol</icon_name>
     <defaults>
       <allow_any>auth_admin</allow_any>
       <allow_inactive>auth_admin</allow_inactive>
       <allow_active>auth_admin</allow_active>
     </defaults>
-    <annotate key="org.freedesktop.policykit.exec.path">/usr/bin/gsmartcontrol</annotate>
+    <annotate key="org.freedesktop.policykit.exec.path">/usr/bin/gsmartcontrol.elf</annotate>
     <annotate key="org.freedesktop.policykit.exec.allow_gui">true</annotate>
   </action>
 
diff -Naur gsmartcontrol.orig/PKGBUILD gsmartcontrol/PKGBUILD
--- gsmartcontrol.orig/PKGBUILD	2013-03-10 06:26:50.567234000 +0100
+++ gsmartcontrol/PKGBUILD	2013-03-10 06:44:05.318577222 +0100
@@ -2,18 +2,18 @@
 
 pkgname=gsmartcontrol
 pkgver=0.8.7
-pkgrel=2
+pkgrel=3
 pkgdesc="A graphical user interface for the smartctl hard disk drive health inspection tool."
 arch=('i686' 'x86_64')
 url="http://gsmartcontrol.berlios.de/home/index.php/en/Home"
 license=('GPL3')
-depends=('smartmontools' 'pcre' 'gtkmm' 'libglademm' 'glib2' 'xorg-xmessage')
-optdepends=('polkit: to run gsmartcontrol directly from menu')
+depends=('smartmontools' 'gtkmm' 'xorg-xmessage' 'hicolor-icon-theme' 'polkit')
+optdepends=('polkit-gnome: to run gsmartcontrol directly from menu')
 install=${pkgname}.install
-source=(http://download.berlios.de/gsmartcontrol/${pkgname}-${pkgver}.tar.bz2 org.archlinux.pkexec.gsmartcontrol.policy gsmartcontrol.desktop)
+source=(http://download.berlios.de/gsmartcontrol/${pkgname}-${pkgver}.tar.bz2
+        org.archlinux.pkexec.gsmartcontrol.policy)
 md5sums=('6d104c2ffc1e693cd1a8052a6d7e3b30'
-         'e7b9380849cdcaa4356a42559ea7954f'
-         '19b20293a639e51fa2abb929a3faae01')
+         'e403f8e06e6b8a3d1a99da5e584b2257')
 
 build() {
 	cd ${srcdir}/${pkgname}-${pkgver}
@@ -31,11 +31,20 @@
 
 	make DESTDIR=${pkgdir} install
 
-        # Install pexec fixed desktop file
-        install -Dm755 $srcdir/gsmartcontrol.desktop $pkgdir/usr/share/applications/gsmartcontrol.desktop
+        # We need rename the original binary
+        mv "${pkgdir}/usr/bin/gsmartcontrol" "${pkgdir}/usr/bin/gsmartcontrol.elf"
 
-        # Install pexec file
-        install -Dm766 $srcdir/org.archlinux.pkexec.gsmartcontrol.policy \
-        $pkgdir/usr/share/polkit-1/actions/org.archlinux.pkexec.gsmartcontrol.policy 
+        # Install launcher script
+        echo '#!/bin/sh' > ${pkgdir}/usr/bin/gsmartcontrol
+        echo 'pkexec --disable-internal-agent "/usr/bin/gsmartcontrol.elf" "$@"' \
+                >> ${pkgdir}/usr/bin/gsmartcontrol
+        chmod 755 ${pkgdir}/usr/bin/gsmartcontrol
+
+        # Modify desktop file
+        sed -i -e "s|^Exec=.*|Exec=/usr/bin/gsmartcontrol|" \
+                "${pkgdir}/usr/share/applications/gsmartcontrol.desktop"
 
-      }
+        # Install policy file
+        install -Dm766 $srcdir/org.archlinux.pkexec.gsmartcontrol.policy \
+                $pkgdir/usr/share/polkit-1/actions/org.archlinux.pkexec.gsmartcontrol.policy
+}