diff --git a/tools/appliance/build.sh b/tools/appliance/build.sh
index 43dd21bfcea..13bbd7fa9de 100755
--- a/tools/appliance/build.sh
+++ b/tools/appliance/build.sh
@@ -77,7 +77,7 @@ if [ $? == 0 ]; then
   vboxmanage internalcommands converttoraw -format vdi "$hdd_path" img.raw
   vhd-util convert -s 0 -t 1 -i img.raw -o stagefixed.vhd
   faketime '2010-01-01' vhd-util convert -s 1 -t 2 -i stagefixed.vhd -o $appliance-$branch-$build_date-xen.vhd
-  rm *.bak
+  rm -f *.bak
   bzip2 $appliance-$branch-$build_date-xen.vhd
   echo "$appliance exported for Xen: dist/$appliance-$branch-$build_date-xen.vhd.bz2"
 else
diff --git a/tools/appliance/definitions/systemvm64template/definition.rb b/tools/appliance/definitions/systemvm64template/definition.rb
index e4dc8617ba0..7275bd7a01f 100644
--- a/tools/appliance/definitions/systemvm64template/definition.rb
+++ b/tools/appliance/definitions/systemvm64template/definition.rb
@@ -3,9 +3,9 @@ Veewee::Definition.declare({
   :memory_size=> '256',
   :disk_size => '2500', :disk_format => 'VDI', :hostiocache => 'off',
   :os_type_id => 'Debian_64',
-  :iso_file => "debian-7.7.0-amd64-netinst.iso",
-  :iso_src => "http://cdimage.debian.org/debian-cd/7.7.0/amd64/iso-cd/debian-7.7.0-amd64-netinst.iso",
-  :iso_md5 => "0b31bccccb048d20b551f70830bb7ad0",
+  :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",
+  :iso_md5 => "a91fba5001cf0fbccb44a7ae38c63b6e",
   :iso_download_timeout => "1000",
   :boot_wait => "10", :boot_cmd_sequence => [
      '<Esc>',
diff --git a/tools/appliance/definitions/systemvmtemplate/definition.rb b/tools/appliance/definitions/systemvmtemplate/definition.rb
index 46facd5adfa..2d224a39e0e 100644
--- a/tools/appliance/definitions/systemvmtemplate/definition.rb
+++ b/tools/appliance/definitions/systemvmtemplate/definition.rb
@@ -3,9 +3,9 @@ Veewee::Definition.declare({
   :memory_size=> '256',
   :disk_size => '2500', :disk_format => 'VDI', :hostiocache => 'off',
   :os_type_id => 'Debian',
-  :iso_file => "debian-7.7.0-i386-netinst.iso",
-  :iso_src => "http://cdimage.debian.org/debian-cd/7.7.0/i386/iso-cd/debian-7.7.0-i386-netinst.iso",
-  :iso_md5 => "76d512c44a9b7eca53ea2812ad5ac36f",
+  :iso_file => "debian-7.8.0-i386-netinst.iso",
+  :iso_src => "http://cdimage.debian.org/debian-cd/7.8.0/i386/iso-cd/debian-7.8.0-i386-netinst.iso",
+  :iso_md5 => "0d2f88d23a9d5945f5bc0276830c7d2c",
   :iso_download_timeout => "1000",
   :boot_wait => "10", :boot_cmd_sequence => [
      '<Esc>',