diff --git a/lisp/international/quail.el b/lisp/international/quail.el
index 018fdd9ee07..99b20bdd50a 100644
--- a/lisp/international/quail.el
+++ b/lisp/international/quail.el
@@ -585,7 +585,7 @@ standard layout defined in `quail-keyboard-layout-standard'.  This
 function tells Quail system the layout of your keyboard so that what
 you type is correctly handled."
   (interactive
-   (let* ((completing-ignore-case t)
+   (let* ((completion-ignore-case t)
 	  (type (completing-read "Keyboard type: "
 				 quail-keyboard-layout-alist)))
      (list type)))