diff --git a/.emacs.default b/.emacs.default
index 814ddc3..131b3a7 100644
--- a/.emacs.default
+++ b/.emacs.default
@@ -429,7 +429,9 @@
 ;;;
 (load "term/bobcat")
 (cond
- ((boundp 'minibuffer-local-filename-completion-map)
+ ((and
+   (boundp 'minibuffer-local-filename-completion-map)
+   (boundp 'minibuffer-local-must-match-filename-map))
   (define-key minibuffer-local-filename-completion-map
     " " 'minibuffer-complete-word)
   (define-key minibuffer-local-must-match-filename-map