diff --git a/include/common/htx.h b/include/common/htx.h
index cb998b9..65f0ec3 100644
--- a/include/common/htx.h
+++ b/include/common/htx.h
@@ -189,7 +189,7 @@
 struct htx_blk *htx_add_endof(struct htx *htx, enum htx_blk_type type);
 struct htx_blk *htx_add_data_atonce(struct htx *htx, const struct ist data);
 size_t htx_add_data(struct htx *htx, const struct ist data);
-struct htx_blk *htx_add_data_before(struct htx *htx, const struct htx_blk *ref, const struct ist data);
+struct htx_blk *htx_add_last_data(struct htx *htx, struct ist data);
 
 int htx_reqline_to_h1(const struct htx_sl *sl, struct buffer *chk);
 int htx_stline_to_h1(const struct htx_sl *sl, struct buffer *chk);