diff --git a/preseed/debian/stable/preseed.cfg b/preseed/debian/stable/preseed.cfg
index f8d68ce..1aab25f 100644
--- a/preseed/debian/stable/preseed.cfg
+++ b/preseed/debian/stable/preseed.cfg
@@ -172,6 +172,9 @@ d-i partman-lvm/confirm_nooverwrite             boolean true
 
 # LVM partition
 # The device for physical volume must be listed in partman-auto/disk
+# This recipe need almost 30Gb free space it's add all <min size>
+#   sda2 (16Gb), lv_* (~14Gb) then it should not count it because
+#   all logical volume are on sda2 ...
 d-i   partman-auto/expert_recipe                    string    \
       boot-root ::                                            \
               200 200000 250 ext3                             \
@@ -181,7 +184,7 @@ d-i   partman-auto/expert_recipe                    string    \
                       label{ boot }                           \
                       mountpoint{ /boot }                     \
               .                                               \
-              20000 100000 10000000000000000 ext4             \
+              16000 100000 10000000000000000 ext4             \
                       $defaultignore{ }                       \
                       $primary{ }                             \
                       method{ lvm } device{ /dev/sda }        \
@@ -223,7 +226,7 @@ d-i   partman-auto/expert_recipe                    string    \
                       label{ tmp }                            \
                       mountpoint{ /tmp }                      \
               .                                               \
-              4000 4000 10000 ext4                            \
+              2000 4000 3000 ext4                             \
                       $lvmok{ }                               \
                       in_vg{ sys } lv_name{ lv_home }         \
                       method{ format } format{ }              \
@@ -232,7 +235,7 @@ d-i   partman-auto/expert_recipe                    string    \
                       label{ home }                           \
                       mountpoint{ /home }                     \
               .                                               \
-              2000 3000 5000 ext4                             \
+              512 3000 1000 ext4                              \
                       $lvmok{ }                               \
                       in_vg{ sys } lv_name{ lv_opt }          \
                       method{ format } format{ }              \