diff --git a/ospfd/ospf_api.c b/ospfd/ospf_api.c
index d9960d4..9c9997b 100644
--- a/ospfd/ospf_api.c
+++ b/ospfd/ospf_api.c
@@ -68,7 +68,7 @@
   struct opaque_lsa
   {
     struct lsa_header header;
-    u_char mydata[0];
+    u_char mydata[];
   };
 
   struct opaque_lsa *olsa;