diff --git a/tools/appliance/definitions/systemvmtemplate/preseed.cfg b/tools/appliance/definitions/systemvmtemplate/preseed.cfg
index cafb9c3704a..d456256a37d 100644
--- a/tools/appliance/definitions/systemvmtemplate/preseed.cfg
+++ b/tools/appliance/definitions/systemvmtemplate/preseed.cfg
@@ -146,7 +146,7 @@ d-i partman-auto/expert_recipe string                         \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /home }                     \
               .                                               \
-              850 20 1100 ext4                                \
+              900 20 1100 ext4                                \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /usr }                      \
@@ -161,7 +161,7 @@ d-i partman-auto/expert_recipe string                         \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /var }                      \
               .                                               \
-              100 70 400 ext4                                 \
+              50 70 400 ext4                                 \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /tmp }                      \
diff --git a/tools/appliance/definitions/systemvmtemplate64/preseed.cfg b/tools/appliance/definitions/systemvmtemplate64/preseed.cfg
index cafb9c3704a..d456256a37d 100644
--- a/tools/appliance/definitions/systemvmtemplate64/preseed.cfg
+++ b/tools/appliance/definitions/systemvmtemplate64/preseed.cfg
@@ -146,7 +146,7 @@ d-i partman-auto/expert_recipe string                         \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /home }                     \
               .                                               \
-              850 20 1100 ext4                                \
+              900 20 1100 ext4                                \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /usr }                      \
@@ -161,7 +161,7 @@ d-i partman-auto/expert_recipe string                         \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /var }                      \
               .                                               \
-              100 70 400 ext4                                 \
+              50 70 400 ext4                                 \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \
                       mountpoint{ /tmp }                      \