diff --git a/ospfd/ospf_lsa.h b/ospfd/ospf_lsa.h
index 8dd054c..251d473 100644
--- a/ospfd/ospf_lsa.h
+++ b/ospfd/ospf_lsa.h
@@ -80,6 +80,7 @@
 #define OSPF_LSA_DISCARD	  0x10
 #define OSPF_LSA_LOCAL_XLT	  0x20
 #define OSPF_LSA_PREMATURE_AGE	  0x40
+#define OSPF_LSA_IN_MAXAGE	  0x80
 
   /* LSA data. */
   struct lsa_header *data;