1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/progmodes/inf-lisp.el b/lisp/progmodes/inf-lisp.el
index a05b3dcd367..a6b4f76713f 100644
--- a/lisp/progmodes/inf-lisp.el
+++ b/lisp/progmodes/inf-lisp.el
@@ -74,7 +74,7 @@ mode.  Default is whitespace followed by 0 or 1 single-letter colon-keyword
 (defvar inferior-lisp-mode-map nil)
 (cond ((not inferior-lisp-mode-map)
        (setq inferior-lisp-mode-map
-             (full-copy-sparse-keymap comint-mode-map))
+             (copy-keymap comint-mode-map))
        (setq inferior-lisp-mode-map
              (nconc inferior-lisp-mode-map shared-lisp-mode-map))
        (define-key inferior-lisp-mode-map "\C-x\C-e" 'lisp-eval-last-sexp)