diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 2e90bf6e824..cb4c24a39db 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,8 @@
+2010-01-08  Jason Rumney  <jasonr@gnu.org>
+
+	* sieve-manage.el (sieve-manage-parse-capability-1): Loosely match OK
+	response.
+
 2010-01-06  Katsumi Yamaoka  <yamaoka@jpl.org>
 
 	* gnus-art.el (gnus-article-describe-bindings): Work for prefix keys.
diff --git a/lisp/gnus/sieve-manage.el b/lisp/gnus/sieve-manage.el
index c40c6fc2cd9..2dcff055680 100644
--- a/lisp/gnus/sieve-manage.el
+++ b/lisp/gnus/sieve-manage.el
@@ -636,7 +636,7 @@ password is remembered in the buffer."
 		  sieve-manage-capability))
 	(push (list str) sieve-manage-capability))
       (forward-line)))
-  (when (re-search-forward (concat "^OK" sieve-manage-server-eol) nil t)
+  (when (re-search-forward (concat "^OK.*" sieve-manage-server-eol) nil t)
     (setq sieve-manage-state 'nonauth)))
 
 (defalias 'sieve-manage-parse-greeting-1 'sieve-manage-parse-capability-1)