diff --git a/vtysh/ChangeLog b/vtysh/ChangeLog
index 80c2295..df5eccd 100644
--- a/vtysh/ChangeLog
+++ b/vtysh/ChangeLog
@@ -1,3 +1,7 @@
+2004-10-11 Hasso Tepper <hasso at quagga.net>
+
+	* vtysh.c, vtysh_user.c: Make more strings const.
+	
 2004-10-07 Hasso Tepper <hasso at quagga.net>
 
 	* vtysh.c, vtysh.h, vtysh_config.c, vtysh_main.c: Fix compiler
diff --git a/vtysh/vtysh.c b/vtysh/vtysh.c
index 733bb43..0df5ddb 100644
--- a/vtysh/vtysh.c
+++ b/vtysh/vtysh.c
@@ -1697,7 +1697,8 @@
 
 /* Execute command in child process. */
 int
-execute_command (const char *command, int argc, char *arg1, char *arg2)
+execute_command (const char *command, int argc, const char *arg1,
+		 const char *arg2)
 {
   int ret;
   pid_t pid;
diff --git a/vtysh/vtysh_user.c b/vtysh/vtysh_user.c
index 9233010..f84cca8 100644
--- a/vtysh/vtysh_user.c
+++ b/vtysh/vtysh_user.c
@@ -46,7 +46,7 @@
 };
 
 int
-vtysh_pam (char *user)
+vtysh_pam (const char *user)
 {
   int ret;
   pam_handle_t *pamh = NULL;
@@ -114,7 +114,7 @@
 }
 
 struct user *
-user_lookup (char *name)
+user_lookup (const char *name)
 {
   struct listnode *nn;
   struct user *user;
@@ -141,7 +141,7 @@
 }
 
 struct user *
-user_get (char *name)
+user_get (const char *name)
 {
   struct user *user;
   user = user_lookup (name);