1 files changed, 1 insertions, 1 deletions

diff --git a/src/callproc.c b/src/callproc.c
index 9375ce5312c..8f13e98fd11 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -634,7 +634,7 @@ call_process (ptrdiff_t nargs, Lisp_Object *args, int filefd,
 #ifdef DARWIN_OS
       /* Work around a macOS bug, where SIGCHLD is apparently
          delivered to a vforked child instead of to its parent.  See:
-         http://lists.gnu.org/archive/html/emacs-devel/2017-05/msg00342.html
+         https://lists.gnu.org/archive/html/emacs-devel/2017-05/msg00342.html
       */
       signal (SIGCHLD, SIG_DFL);
 #endif