diff -u -r ../upstream.git/vendor/ubuntu/apt-vendor.ent ./vendor/ubuntu/apt-vendor.ent
--- ../upstream.git/vendor/ubuntu/apt-vendor.ent	2014-04-25 13:39:00.000000000 +0200
+++ ./vendor/ubuntu/apt-vendor.ent	2014-06-03 11:53:11.535752314 +0200
@@ -1,7 +1,7 @@
 <!-- details about the keys used by the distribution -->
-<!ENTITY keyring-distro "Ubuntu">
-<!ENTITY keyring-package "<package>ubuntu-keyring</package>">
-<!ENTITY keyring-filename "<filename>/usr/share/keyrings/ubuntu-archive-keyring.gpg</filename>">
-<!ENTITY keyring-removed-filename "<filename>/usr/share/keyrings/ubuntu-archive-removed-keys.gpg</filename>">
-<!ENTITY keyring-master-filename "/usr/share/keyrings/ubuntu-master-keyring.gpg">
+<!ENTITY keyring-distro "Termux">
+<!ENTITY keyring-package "<package>termux-keyring</package>">
+<!ENTITY keyring-filename "<filename>@TERMUX_PREFIX@/share/keyrings/termux-archive-keyring.gpg</filename>">
+<!ENTITY keyring-removed-filename "<filename>@TERMUX_PREFIX@/share/keyrings/termux-archive-removed-keys.gpg</filename>">
+<!ENTITY keyring-master-filename "@TERMUX_PREFIX@/share/keyrings/termux-master-keyring.gpg">
 <!ENTITY keyring-uri "http://archive.ubuntu.com/ubuntu/project/ubuntu-archive-keyring.gpg">