1 files changed, 3 insertions, 2 deletions

diff --git a/src/process.c b/src/process.c
index 9d03eb9774d..454278a5a27 100644
--- a/src/process.c
+++ b/src/process.c
@@ -7055,8 +7055,9 @@ handle_child_signal (int sig)
       xpid = XCAR (head);
       if (all_pids_are_fixnums ? FIXNUMP (xpid) : INTEGERP (xpid))
         {
-          pid_t deleted_pid = (FIXNUMP (xpid) ? XFIXNUM (xpid)
-                               : bignum_to_intmax (xpid));
+          intmax_t deleted_pid;
+          bool ok = integer_to_intmax (xpid, &deleted_pid);
+          eassert (ok);
           if (child_status_changed (deleted_pid, 0, 0))
             {
               if (STRINGP (XCDR (head)))