Index: trunk/server/doc/install-xen
===================================================================
--- trunk/server/doc/install-xen	(revision 1859)
+++ trunk/server/doc/install-xen	(revision 1860)
@@ -27,5 +27,5 @@
   gpg --primary-keyring /tmp/debathena.gpg --no-default-keyring --import debathena-archive.asc &&
   gpg --primary-keyring /tmp/debathena.gpg --no-default-keyring --refresh-keys &&
-  gpg --primary-keyring /tmp/debathena.gpg --no-default-keyring --keyring /usr/share/keyrings/debian-keyring.gpg --list-sigs --with-colons debathena@mit.edu | grep ^sig | cut -d: -f5 | grep -q $kcr_fingerprint &&
+  gpg --primary-keyring /tmp/debathena.gpg --no-default-keyring --keyring /usr/share/keyrings/debian-keyring.gpg --check-sigs --with-colons debathena@mit.edu | grep '^sig:!' | cut -d: -f5 | grep -q $kcr_fingerprint &&
   gpg --primary-keyring /tmp/debathena.gpg --no-default-keyring --export debathena@mit.edu | apt-key adv --import)