diff --git a/isisd/isisd.h b/isisd/isisd.h
index 2277f27..b17982e 100644
--- a/isisd/isisd.h
+++ b/isisd/isisd.h
@@ -93,6 +93,8 @@
   struct flags flags;
   struct thread *t_tick;	/* LSP walker */
   struct thread *t_remove_aged;
+  struct thread *t_lsp_l1_regenerate;
+  struct thread *t_lsp_l2_regenerate;
   int lsp_regenerate_pending[ISIS_LEVELS];
   struct thread *t_lsp_refresh[ISIS_LEVELS];