diff --git a/tools/appliance/definitions/systemvmtemplate/preseed.cfg b/tools/appliance/definitions/systemvmtemplate/preseed.cfg
index 4050498e536..cafb9c3704a 100644
--- a/tools/appliance/definitions/systemvmtemplate/preseed.cfg
+++ b/tools/appliance/definitions/systemvmtemplate/preseed.cfg
@@ -130,7 +130,7 @@ d-i partman-auto/choose_recipe select atomic
 
 d-i partman-auto/expert_recipe string                         \
       boot-root ::                                            \
-              40 50 100 ext4                                  \
+              30 50 100 ext4                                  \
                       $primary{ } $bootable{ }                \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \
@@ -141,12 +141,12 @@ d-i partman-auto/expert_recipe string                         \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ / }                         \
               .                                               \
-              60 100 200 ext4                                 \
+              50 100 200 ext4                                 \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /home }                     \
               .                                               \
-              950 20 1100 ext4                                \
+              850 20 1100 ext4                                \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /usr }                      \
@@ -166,7 +166,7 @@ d-i partman-auto/expert_recipe string                         \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /tmp }                      \
               .                                               \
-              64 512 300% linux-swap                          \
+              50 512 300% linux-swap                          \
                       method{ swap } format{ }                \
               .
 
diff --git a/tools/appliance/definitions/systemvmtemplate64/preseed.cfg b/tools/appliance/definitions/systemvmtemplate64/preseed.cfg
index 4050498e536..cafb9c3704a 100644
--- a/tools/appliance/definitions/systemvmtemplate64/preseed.cfg
+++ b/tools/appliance/definitions/systemvmtemplate64/preseed.cfg
@@ -130,7 +130,7 @@ d-i partman-auto/choose_recipe select atomic
 
 d-i partman-auto/expert_recipe string                         \
       boot-root ::                                            \
-              40 50 100 ext4                                  \
+              30 50 100 ext4                                  \
                       $primary{ } $bootable{ }                \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \
@@ -141,12 +141,12 @@ d-i partman-auto/expert_recipe string                         \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ / }                         \
               .                                               \
-              60 100 200 ext4                                 \
+              50 100 200 ext4                                 \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /home }                     \
               .                                               \
-              950 20 1100 ext4                                \
+              850 20 1100 ext4                                \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /usr }                      \
@@ -166,7 +166,7 @@ d-i partman-auto/expert_recipe string                         \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /tmp }                      \
               .                                               \
-              64 512 300% linux-swap                          \
+              50 512 300% linux-swap                          \
                       method{ swap } format{ }                \
               .