diff --git a/lisp/electric.el b/lisp/electric.el
index 289b6ecd147..857f7fab9de 100644
--- a/lisp/electric.el
+++ b/lisp/electric.el
@@ -155,7 +155,7 @@
 	     (switch-to-buffer buf)))
       ;; Don't shrink the window, but expand it if necessary.
       (goto-char (point-min))
-      (unless (= (point-max) (window-end win))
+      (unless (= (point-max) (window-end win t))
 	(fit-window-to-buffer win max-height))
       win)))