1 files changed, 1 insertions, 1 deletions

diff --git a/src/process.c b/src/process.c
index eff69a13c28..2636e0d2dd9 100644
--- a/src/process.c
+++ b/src/process.c
@@ -2531,7 +2531,7 @@ process_send_signal (process, signo, current_group, nomsg)
 
         case SIGTSTP:
           tcgetattr (XINT (p->infd), &t);
-#if defined (VSWTCH) && !defined (IRIX5)
+#if defined (VSWTCH) && !defined (PREFER_VSUSP)
           send_process (proc, &t.c_cc[VSWTCH], 1);
 #else
           send_process (proc, &t.c_cc[VSUSP], 1);