1 files changed, 3 insertions, 2 deletions

diff --git a/src/callproc.c b/src/callproc.c
index de28ffa42ef..8c1384df6a1 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -1231,8 +1231,6 @@ child_setup (int in, int out, int err, register char **new_argv, int set_pgrp, L
 #else
   setpgrp (pid, pid);
 #endif /* USG */
-  /* setpgrp_of_tty is incorrect here; it uses input_fd.  */
-  EMACS_SET_TTY_PGRP (0, &pid);
 
 #ifdef MSDOS
   pid = run_msdos_command (new_argv, pwd_var + 4, in, out, err, env);
@@ -1251,6 +1249,9 @@ child_setup (int in, int out, int err, register char **new_argv, int set_pgrp, L
     report_file_error ("Spawning child process", Qnil);
   return cpid;
 #else /* not WINDOWSNT */
+  /* setpgrp_of_tty is incorrect here; it uses input_fd.  */
+  EMACS_SET_TTY_PGRP (0, &pid);
+
   /* execvp does not accept an environment arg so the only way
      to pass this environment is to set environ.  Our caller
      is responsible for restoring the ambient value of environ.  */