diff --git a/appl/telnet/telnetd/sys_term.c b/appl/telnet/telnetd/sys_term.c
index 19b70f59c..4789447cd 100644
--- a/appl/telnet/telnetd/sys_term.c
+++ b/appl/telnet/telnetd/sys_term.c
@@ -371,7 +371,7 @@ int getpty(int *ptynum)
     }
     return -1;
 #else
-#if IRIX == 4
+#ifdef HAVE__GETPTY
     int master, slave;
     char *p;
     p = _getpty(&master, O_RDWR, 0600, 1);