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-rw-r--r--lisp/files.el3
1 files changed, 2 insertions, 1 deletions
diff --git a/lisp/files.el b/lisp/files.el
index 089a553ce58..943622064f3 100644
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -627,7 +627,8 @@ Choose the buffer's name using `generate-new-buffer-name'."
This also substitutes \"~\" for the user's home directory.
Type \\[describe-variable] directory-abbrev-alist RET for more information."
;; Get rid of the prefixes added by the automounter.
- (if (and (string-match automount-dir-prefix filename)
+ (if (and automount-dir-prefix
+ (string-match automount-dir-prefix filename)
(file-exists-p (file-name-directory
(substring filename (1- (match-end 0))))))
(setq filename (substring filename (1- (match-end 0)))))