1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/vc.el b/lisp/vc.el
index 2b7df01e99a..7f17c3cb007 100644
--- a/lisp/vc.el
+++ b/lisp/vc.el
@@ -289,7 +289,7 @@ the master name of FILE; this is appended to an optional list of FLAGS."
                                                    compilation-old-error-list
                                                    compilation-error-list))
                                           (buffer-error-marked-p nil))
-                                      (while (and errors
+                                      (while (and (consp errors)
                                                   (not buffer-error-marked-p))
                                         (and (markerp (cdr (car errors)))
                                              (eq buffer