diff -uNr bbdb-2.36/lisp/bbdb-mhe.el bbdb-2.36p/lisp/bbdb-mhe.el
--- bbdb-2.36/lisp/bbdb-mhe.el	2007-04-26 10:01:24.000000000 +0300
+++ bbdb-2.36p/lisp/bbdb-mhe.el	2012-07-28 16:36:12.371926072 +0300
@@ -33,7 +33,7 @@
 
 (defmacro bbdb/mh-cache-key (message)
   "Return a (numeric) key for MESSAGE"
-  (`(let* ((attrs (file-attributes (, message)))
+  ( ` (let* ((attrs (file-attributes (, message)))
            (status-time (nth 6 attrs))
            (status-time-2 (cdr status-time))
            (inode (nth 10 attrs)))