diff --git a/src/mux_h1.c b/src/mux_h1.c
index fd568e9..bafefea 100644
--- a/src/mux_h1.c
+++ b/src/mux_h1.c
@@ -1651,7 +1651,6 @@
 
 	b_del(&h1c->ibuf, total);
 
-	htx_to_buf(htx, buf);
 	TRACE_DEVEL("incoming data parsed", H1_EV_RX_DATA, h1c->conn, h1s, htx, (size_t[]){ret});
 
 	ret = htx->data - data;
@@ -1751,6 +1750,7 @@
 	}
 
   end:
+	htx_to_buf(htx, buf);
 	TRACE_LEAVE(H1_EV_RX_DATA, h1c->conn, h1s, htx, (size_t[]){ret});
 	return ret;