diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index ece158142c6..1ece8bf9107 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,8 @@
+2012-12-27  Glenn Morris  <rgm@gnu.org>
+
+	* plstore.el (plstore-passphrase-callback-function):
+	Fix file/buffer typo.  (Bug#13264)
+
 2012-12-24  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* nnimap.el (nnimap-find-article-by-message-id): Don't error out if
diff --git a/lisp/gnus/plstore.el b/lisp/gnus/plstore.el
index 6d5424e833d..b428cab64e3 100644
--- a/lisp/gnus/plstore.el
+++ b/lisp/gnus/plstore.el
@@ -126,7 +126,7 @@ symmetric encryption will be used.")
 
 (defun plstore-passphrase-callback-function (_context _key-id plstore)
   (if plstore-cache-passphrase-for-symmetric-encryption
-      (let* ((file (file-truename (plstore--get-buffer plstore)))
+      (let* ((file (file-truename (plstore-get-file plstore)))
 	     (entry (assoc file plstore-passphrase-alist))
 	     passphrase)
 	(or (copy-sequence (cdr entry))