diff --git a/tools/appliance/definitions/systemvm64template/definition.rb b/tools/appliance/definitions/systemvm64template/definition.rb
index ba66cae37e0..8c8c0a5536a 100644
--- a/tools/appliance/definitions/systemvm64template/definition.rb
+++ b/tools/appliance/definitions/systemvm64template/definition.rb
@@ -8,7 +8,7 @@
 Veewee::Definition.declare({
   :cpu_count => '1',
   :memory_size=> '256',
-  :disk_size => '2560', :disk_format => 'VDI', :hostiocache => 'off',
+  :disk_size => '3000', :disk_format => 'VDI', :hostiocache => 'off',
   :os_type_id => 'Debian_64',
   :iso_file => "debian-7.8.0-amd64-netinst.iso",
   :iso_src => "http://cdimage.debian.org/debian-cd/7.8.0/amd64/iso-cd/debian-7.8.0-amd64-netinst.iso",
diff --git a/tools/appliance/definitions/systemvm64template/preseed.cfg b/tools/appliance/definitions/systemvm64template/preseed.cfg
index b1675c2aa62..92dbca365eb 100644
--- a/tools/appliance/definitions/systemvm64template/preseed.cfg
+++ b/tools/appliance/definitions/systemvm64template/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                                  \
+              80 50 160 ext4                                  \
                       $primary{ } $bootable{ }                \
                       method{ format } format{ }              \
                       use_filesystem{ } filesystem{ ext4 }    \