Fixed a bug in coq guessing of command line

1 files changed, 1 insertions, 1 deletions

diff --git a/coq/coq.el b/coq/coq.el
index b877d5f4..25785942 100644
--- a/coq/coq.el
+++ b/coq/coq.el
@@ -790,7 +790,7 @@ This is specific to `coq-mode'."
 (defun coq-guess-command-line (filename)
   "Guess the right command line options to compile FILENAME using `make -n'."
   (if (local-variable-p 'coq-prog-name (current-buffer)) coq-prog-name
-    (let ((dir (or (file-name-directory filename) "."))
+    (let* ((dir (or (file-name-directory filename) "."))
           (makedir
            (cond
             ((file-exists-p (concat dir "Makefile")) ".")