diff --git a/kybd.c b/kybd.c
index 6b65c56..13f8a80 100644
--- a/kybd.c
+++ b/kybd.c
@@ -566,14 +566,14 @@ LIB3270_FKEY_ACTION( pfkey )
 
 	if (hSession->kybdlock)
 	{
-		if(hSession->options & LIB3270_OPTION_AS400)
+		if(hSession->options & LIB3270_OPTION_KYBD_AS400)
 			enq_key(hSession,pa_xlate[0]);
 
  		enq_key(hSession,pf_xlate[key-1]);
 	}
 	else
 	{
-		if(hSession->options & LIB3270_OPTION_AS400)
+		if(hSession->options & LIB3270_OPTION_KYBD_AS400)
 			key_AID(hSession,pa_xlate[0]);
 
 		key_AID(hSession,pf_xlate[key-1]);
diff --git a/options.c b/options.c
index 34a9f89..9dd5389 100644
--- a/options.c
+++ b/options.c
@@ -46,9 +46,16 @@
 	},
 
 	{
-		LIB3270_OPTION_AS400,
+		LIB3270_OPTION_KYBD_AS400,
 		"as400",
-		N_( "Host is AS_400" ),
+		N_( "Host is AS/400" ),
+		NULL
+	},
+
+	{
+		LIB3270_OPTION_TSO,
+		"tso",
+		N_( "Host is TSO" ),
 		NULL
 	},
 
--
libgit2 0.21.2