diff --git a/key-string.c b/key-string.c
index e218e15c..42e40e1a 100644
--- a/key-string.c
+++ b/key-string.c
@@ -1,4 +1,4 @@
-/* $Id: key-string.c,v 1.35 2011-01-03 23:32:04 tcunha Exp $ */
+/* $Id: key-string.c,v 1.36 2011-01-22 22:31:09 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -147,7 +147,7 @@ key_string_lookup_string(const char *string)
 	/* Is this a standard ASCII key? */
 	if (string[1] == '\0') {
 		key = (u_char) string[0];
-		if (key < 32 || key > 126)
+		if (key < 32 || key == 127 || key > 255)
 			return (KEYC_NONE);
 	} else {
 		/* Otherwise look the key up in the table. */
@@ -213,7 +213,7 @@ key_string_lookup_key(int key)
 	}
 
 	/* Invalid keys are errors. */
-	if (key >= 127)
+	if (key == 127 || key > 255)
 		return (NULL);
 
 	/* Check for standard or control key. */
@@ -225,7 +225,9 @@ key_string_lookup_key(int key)
 	} else if (key >= 32 && key <= 126) {
 		tmp[0] = key;
 		tmp[1] = '\0';
-	}
+	} else if (key >= 128)
+		xsnprintf(tmp, sizeof tmp, "\\%o", key);
+
 	strlcat(out, tmp, sizeof out);
 	return (out);
 }