diff --git a/build/probe_certs.pl b/build/probe_certs.pl
index b7e28d18..68efd739 100755
--- a/build/probe_certs.pl
+++ b/build/probe_certs.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 
-open(XML,"java -cp ../xalan-j_2_6_0/bin/xalan.jar org.apache.xalan.xslt.Process -IN ../xml/sdss-metadata-unsigned.xml -XSL extract_cert_locs.xsl|") || die "could not open input file";
+open(XML,"java -cp ../xalan-j_2_6_0/bin/xalan.jar org.apache.xalan.xslt.Process -IN ../xml/ukfederation-metadata.xml -XSL extract_cert_locs.xsl|") || die "could not open input file";
 while (<XML>) {
 	if (/^http:/) {
 		print "skipping http location: $_";