diff --git a/grub_linux_entry b/grub_linux_entry
index 538f9d3..9d1581f 100755
--- a/grub_linux_entry
+++ b/grub_linux_entry
@@ -128,7 +128,7 @@ while [ "x$list" != "x" ] ; do
   gettext_printf "Found linux image: %s\n" "$linux" >&2
   basename=`basename $linux`
   dirname=`dirname $linux`
-  version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
+  version=`echo $basename | sed -e "s,vmlinuz-,,g"`
   alt_version=`echo $version | sed -e "s,\.old$,,g"`
   linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"