diff --git a/include/types/proto_http.h b/include/types/proto_http.h
index b7dc4b5..d1fdf75 100644
--- a/include/types/proto_http.h
+++ b/include/types/proto_http.h
@@ -545,6 +545,8 @@
 
 extern const struct http_method_name http_known_methods[HTTP_METH_OTHER];
 
+extern struct pool_head *pool2_http_txn;
+
 #endif /* _TYPES_PROTO_HTTP_H */
 
 /*