use new install_element_ve()
diff --git a/openbsc/src/gprs/gb_proxy_vty.c b/openbsc/src/gprs/gb_proxy_vty.c
index df21002..e1cf97e 100644
--- a/openbsc/src/gprs/gb_proxy_vty.c
+++ b/openbsc/src/gprs/gb_proxy_vty.c
@@ -152,8 +152,7 @@
 
 int gbproxy_vty_init(void)
 {
-	install_element(VIEW_NODE, &show_gbproxy_cmd);
-	install_element(ENABLE_NODE, &show_gbproxy_cmd);
+	install_element_ve(&show_gbproxy_cmd);
 
 	install_element(CONFIG_NODE, &cfg_gbproxy_cmd);
 	install_node(&gbproxy_node, config_write_gbproxy);