1 files changed, 3 insertions, 1 deletions

diff --git a/src/process.c b/src/process.c
index 26c59b8ff86..9ef6eb1dede 100644
--- a/src/process.c
+++ b/src/process.c
@@ -1277,10 +1277,12 @@ create_process (process, new_argv, current_dir)
 #ifdef HAVE_PTYS
         /* First, disconnect its current controlling terminal.  */
 #ifdef HAVE_SETSID
+        /* We tried doing setsid only if pty_flag, but it caused
+           process_set_signal to fail on SGI when using a pipe.  */
+        setsid ();
         /* Make the pty's terminal the controlling terminal.  */
         if (pty_flag)
           {
-            setsid ();
 #ifdef TIOCSCTTY
             /* We ignore the return value
                because faith@cs.unc.edu says that is necessary on Linux.  */