1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/simple.el b/lisp/simple.el
index a25c33447c5..2c9a39bce4e 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -2982,7 +2982,7 @@ it were the arg to `interactive' (which see) to interactively read the value."
    (let* ((v (variable-at-point))
           (enable-recursive-minibuffers t)
           (val (completing-read
-                (if v
+                (if (user-variable-p v)
                     (format "Set variable (default %s): " v)
                   "Set variable: ")
                 obarray 'user-variable-p t))