diff --git a/ibus.spec b/ibus.spec
index bd2f6e4..b56d4eb 100644
--- a/ibus.spec
+++ b/ibus.spec
@@ -285,18 +285,18 @@ touch --no-create %{_datadir}/icons/hicolor || :
 %{_sbindir}/alternatives --install %{_sysconfdir}/X11/xinit/xinputrc xinputrc %{_xinputconf} 83 || :
 
 export GCONF_CONFIG_SOURCE=`gconftool-2 --get-default-source`
-gconftool-2 --makefile-install-rule %{_sysconfdir}/gconf/schemas/ibus.schemas >& /dev/null || :
+gconftool-2 --makefile-install-rule %{_sysconfdir}/gconf/schemas/ibus.schemas > /dev/null 2>&1 || :
 
 %pre
 if [ "$1" -gt 1 ]; then
     export GCONF_CONFIG_SOURCE=`gconftool-2 --get-default-source`
-    gconftool-2 --makefile-uninstall-rule %{_sysconfdir}/gconf/schemas/ibus.schemas >& /dev/null || :
+    gconftool-2 --makefile-uninstall-rule %{_sysconfdir}/gconf/schemas/ibus.schemas > /dev/null 2>&1 || :
 fi
 
 %preun
 if [ "$1" -eq 0 ]; then
     export GCONF_CONFIG_SOURCE=`gconftool-2 --get-default-source`
-    gconftool-2 --makefile-uninstall-rule %{_sysconfdir}/gconf/schemas/ibus.schemas >& /dev/null || :
+    gconftool-2 --makefile-uninstall-rule %{_sysconfdir}/gconf/schemas/ibus.schemas > /dev/null 2>&1 || :
 fi
 
 %postun