diff --git a/include/types/http_ana.h b/include/types/http_ana.h
index a352a99..5a7ced7 100644
--- a/include/types/http_ana.h
+++ b/include/types/http_ana.h
@@ -175,6 +175,7 @@
 	enum http_meth_t meth;          /* HTTP method */
 	/* 1 unused byte here */
 	short status;                   /* HTTP status from the server, negative if from proxy */
+	struct buffer *errmsg;          /* custom HTTP error message to use as reply */
 
 	char cache_hash[20];               /* Store the cache hash  */
 	char *uri;                      /* first line if log needed, NULL otherwise */