diff --git a/ripngd/ripngd.h b/ripngd/ripngd.h
index 75c5dfa..706ff54 100644
--- a/ripngd/ripngd.h
+++ b/ripngd/ripngd.h
@@ -129,6 +129,9 @@
   struct thread *t_triggered_update;
   struct thread *t_triggered_interval;
 
+  /* RIPng ECMP flag */
+  unsigned int ecmp;
+
   /* For redistribute route map. */
   struct
   {