diff -ru openssl-1.0.0d.old/apps/s_client.c openssl-1.0.0d/apps/s_client.c
--- openssl-1.0.0d.old/apps/s_client.c	2011-07-17 21:05:19.934181169 +0200
+++ openssl-1.0.0d/apps/s_client.c	2011-07-17 21:11:42.747824990 +0200
@@ -1186,7 +1186,7 @@
 		    "xmlns='jabber:client' to='%s' version='1.0'>", host);
 		seen = BIO_read(sbio,mbuf,BUFSIZZ);
 		mbuf[seen] = 0;
-		while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
+		while (!strcasestr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") && !strcasestr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
 			{
 			if (strstr(mbuf, "/stream:features>"))
 				goto shut;