diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 36a957e3637..400f2ecee2c 100644
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -1938,7 +1938,7 @@ otherwise, show it in full."
 					     (window-start window))))
 		       (recenter (min (+ old-screen-line lines-offscreen)
 				      ;; last line of window
-				      (- (window-height) 2))))))))))
+				      (- (window-height) 2)))))))))
       (rmail-highlight-headers))))
 
 ;; Lifted from repos-count-screen-lines.