diff --git a/ospf6d/ospf6_interface.c b/ospf6d/ospf6_interface.c
index c692f2c..86c0bf6 100644
--- a/ospf6d/ospf6_interface.c
+++ b/ospf6d/ospf6_interface.c
@@ -769,6 +769,10 @@
   
   list_delete_all_node (oi->neighbor_list);
 
+  /* When interface state is reset, also reset information about
+   * DR election, as it is no longer valid. */
+  oi->drouter = oi->prev_drouter = htonl(0);
+  oi->bdrouter = oi->prev_bdrouter = htonl(0);
   return 0;
 }