diff --git a/conf/intel/portage/package.mask/00-sabayon.package.mask b/conf/intel/portage/package.mask/00-sabayon.package.mask
index 5ec54f16..2154d343 100644
--- a/conf/intel/portage/package.mask/00-sabayon.package.mask
+++ b/conf/intel/portage/package.mask/00-sabayon.package.mask
@@ -224,3 +224,5 @@ media-tv/kodi::gentoo
 # 2015-09-24 Ettore Di Giacinto: not LMs are ready to new version yet
 >sys-auth/polkit-0.112-r3
 
+# 2015-09-30 Joost Ruis: Only use overlay version
+sys-fs/zfs-kmod::gentoo