diff --git a/include/proto/proto_http.h b/include/proto/proto_http.h
index e349f19..fc1e01d 100644
--- a/include/proto/proto_http.h
+++ b/include/proto/proto_http.h
@@ -62,6 +62,7 @@
 int process_cli(struct session *t);
 int process_srv(struct session *t);
 int process_request(struct session *t);
+int process_response(struct session *t);
 
 void client_retnclose(struct session *s, const struct chunk *msg);
 void client_return(struct session *s, const struct chunk *msg);