diff --git a/deps/libgksu/doinst.sh b/deps/libgksu/doinst.sh
index ed28460..ad2dd50 100644
--- a/deps/libgksu/doinst.sh
+++ b/deps/libgksu/doinst.sh
@@ -1,3 +1,13 @@
+schema_install() {
+  SCHEMA="$1"
+  GCONF_CONFIG_SOURCE="xml::etc/gconf/gconf.xml.defaults" \
+  chroot . gconftool-2 --makefile-install-rule \
+    /etc/gconf/schemas/$SCHEMA \
+    1>/dev/null 2>/dev/null
+}
+
+schema_install gksu.schemas
+
 if [ -x /usr/bin/update-desktop-database ]; then
   /usr/bin/update-desktop-database -q usr/share/applications >/dev/null 2>&1
 fi