diff --git a/lisp/gnus/plstore.el b/lisp/gnus/plstore.el
index 703943934e8..392437d1dea 100644
--- a/lisp/gnus/plstore.el
+++ b/lisp/gnus/plstore.el
@@ -123,6 +123,7 @@
 (defun plstore-revert (plstore)
   "Replace current data in PLSTORE with the file on disk."
   (with-current-buffer (plstore--get-buffer plstore)
+    (revert-buffer t t)
     ;; make the buffer invisible from user
     (rename-buffer (format " plstore %s" (buffer-file-name)))
     (goto-char (point-min))