diff --git a/lib/vty.h b/lib/vty.h
index 639d741..e515868 100644
--- a/lib/vty.h
+++ b/lib/vty.h
@@ -23,6 +23,7 @@
 
 #include "thread.h"
 #include "log.h"
+#include "sockunion.h"
 
 #define VTY_BUFSIZ 512
 #define VTY_MAXHIST 20
@@ -39,9 +40,6 @@
   /* Node status of this vty */
   int node;
 
-  /* What address is this vty comming from. */
-  char *address;
-
   /* Failure count */
   int fail;
 
@@ -118,6 +116,9 @@
   /* Timeout seconds and thread. */
   unsigned long v_timeout;
   struct thread *t_timeout;
+
+  /* What address is this vty comming from. */
+  char address[SU_ADDRSTRLEN];
 };
 
 /* Integrated configuration file. */