1 files changed, 2 insertions, 2 deletions

diff --git a/lisp/newcomment.el b/lisp/newcomment.el
index 9d089a2e164..d0b29d43f14 100644
--- a/lisp/newcomment.el
+++ b/lisp/newcomment.el
@@ -551,8 +551,8 @@ If CONTINUE is non-nil, use the `comment-continue' markers if any."
             (indent-to comment-column)
             ;; Ensure there's a space before the comment for things
             ;; like sh where it matters (as well as being neater).
-            (unless (memq (char-before) '(nil ?\n ?\t ?\ ))
-              (insert ?\ ))
+            (unless (memq (char-before) '(nil ?\n ?\t ?\s))
+              (insert ?\s))
             (setq begpos (point))
             (insert starter)
             (setq cpos (point-marker))