diff --git a/lib/if.h b/lib/if.h
index e629906..20df7ef 100644
--- a/lib/if.h
+++ b/lib/if.h
@@ -288,5 +288,6 @@
 extern struct cmd_element no_interface_cmd;
 extern struct cmd_element interface_pseudo_cmd;
 extern struct cmd_element no_interface_pseudo_cmd;
+extern struct cmd_element show_address_cmd;
 
 #endif /* _ZEBRA_IF_H */