diff --git a/preseed/debian/wheezy/preseed_cluster.cfg b/preseed/debian/wheezy/preseed_cluster.cfg
index a6c26ef..470e740 100644
--- a/preseed/debian/wheezy/preseed_cluster.cfg
+++ b/preseed/debian/wheezy/preseed_cluster.cfg
@@ -220,7 +220,7 @@ d-i   partman-auto/expert_recipe                    string    \
                       label{ opt }                            \
                       mountpoint{ /opt }                      \
               .                                               \
-              50% 2000 32768 linux-swap                       \
+              25% 2000 32768 linux-swap                       \
                       $lvmok{ }                               \
                       in_vg{ sys } lv_name{ lv_swap }         \
                       method{ swap } format{ }                \