diff --git a/babeld/babel_zebra.h b/babeld/babel_zebra.h
index 1b623f0..99601aa 100644
--- a/babeld/babel_zebra.h
+++ b/babeld/babel_zebra.h
@@ -36,8 +36,15 @@
 THE SOFTWARE.
 */
 
+#ifndef BABEL_ZEBRA_H
+#define BABEL_ZEBRA_H
+
+#include "vty.h"
 
 extern struct zclient *zclient;
 
 void babelz_zebra_init(void);
 void babel_zebra_close_connexion(void);
+extern int debug_babel_config_write (struct vty *);
+
+#endif