diff --git a/appl/kx/kx.c b/appl/kx/kx.c
index 070de9d39..d6ba01b0b 100644
--- a/appl/kx/kx.c
+++ b/appl/kx/kx.c
@@ -126,7 +126,7 @@ connect_host (char *host, des_cblock *key, des_key_schedule schedule,
      status = krb_sendauth (KOPT_DO_MUTUAL, s, &text, "rcmd",
 			    host, krb_realmofhost (host),
 			    getpid(), &msg, &cred, schedule,
-			    &thisaddr, &thataddr, "KXSERV.0");
+			    &thisaddr, &thataddr, KXVERSION);
      if (status != KSUCCESS) {
 	  fprintf (stderr, "%s: %s: %s\n", prog, host,
 		   krb_get_err_text(status));
diff --git a/appl/kx/kx.h b/appl/kx/kx.h
index 251778f25..0cd82e152 100644
--- a/appl/kx/kx.h
+++ b/appl/kx/kx.h
@@ -83,4 +83,6 @@ int connect_local_xsocket (unsigned dnr);
 
 #define KX_PORT 2111
 
+#define KXVERSION "KXSERV.1"
+
 #define COOKIE_TYPE "MIT-MAGIC-COOKIE-1"
diff --git a/appl/kx/kxd.c b/appl/kx/kxd.c
index 605f7811d..c110215e0 100644
--- a/appl/kx/kxd.c
+++ b/appl/kx/kxd.c
@@ -72,7 +72,7 @@ recv_conn (int sock, des_cblock *key, des_key_schedule schedule,
 			    &thataddr, &thisaddr, &auth, "", schedule,
 			    version);
      if (status != KSUCCESS ||
-	 strncmp(version, "KXSERV.0", KRB_SENDAUTH_VLEN) != 0) {
+	 strncmp(version, KXVERSION, KRB_SENDAUTH_VLEN) != 0) {
 	  return 1;
      }
      passwd = k_getpwnam (auth.pname);