diff --git a/appl/telnet/telnet/network.c b/appl/telnet/telnet/network.c
index 2d5328ab3..80c8aed8a 100644
--- a/appl/telnet/telnet/network.c
+++ b/appl/telnet/telnet/network.c
@@ -38,6 +38,9 @@ static char sccsid[] = "@(#)network.c	8.2 (Berkeley) 12/15/93";
 #include <config.h>
 
 #include <sys/types.h>
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
 #include <sys/socket.h>
 #include <sys/time.h>
 
diff --git a/appl/telnet/telnet/sys_bsd.c b/appl/telnet/telnet/sys_bsd.c
index c6859f628..66c5fdd55 100644
--- a/appl/telnet/telnet/sys_bsd.c
+++ b/appl/telnet/telnet/sys_bsd.c
@@ -45,6 +45,9 @@ static char sccsid[] = "@(#)sys_bsd.c	8.4 (Berkeley) 5/30/95";
 
 #include <fcntl.h>
 #include <sys/types.h>
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
 #include <sys/time.h>
 #include <sys/socket.h>
 #include <signal.h>
diff --git a/appl/telnet/telnet/utilities.c b/appl/telnet/telnet/utilities.c
index 3c0d406ec..52b7edb75 100644
--- a/appl/telnet/telnet/utilities.c
+++ b/appl/telnet/telnet/utilities.c
@@ -42,6 +42,9 @@ static char sccsid[] = "@(#)utilities.c	8.3 (Berkeley) 5/30/95";
 #define	SLC_NAMES
 #include <arpa/telnet.h>
 #include <sys/types.h>
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
 #include <sys/time.h>
 
 #include <ctype.h>