diff --git a/zebra/zebra_vty.c b/zebra/zebra_vty.c
index 0c31392..f50ab05 100644
--- a/zebra/zebra_vty.c
+++ b/zebra/zebra_vty.c
@@ -2030,10 +2030,10 @@
 }   
 
 /* table node for protocol filtering */
-struct cmd_node protocol_node = { PROTOCOL_NODE, "", 1 };
+static struct cmd_node protocol_node = { PROTOCOL_NODE, "", 1 };
 
 /* IP node for static routes. */
-struct cmd_node ip_node = { IP_NODE,  "",  1 };
+static struct cmd_node ip_node = { IP_NODE,  "",  1 };
 
 /* Route VTY.  */
 void