diff --git a/src/errors.c b/src/errors.c
index 7a2d14a15..c851de31e 100644
--- a/src/errors.c
+++ b/src/errors.c
@@ -206,12 +206,12 @@ struct ring *startup_logs_dup(struct ring *src)
 	struct ring *dst = NULL;
 
 	/* must use the size of the previous buffer */
-	dst = ring_new(b_size(&src->buf));
+	dst = ring_new(ring_size(src));
 	if (!dst)
 		goto error;
 
 	b_reset(&dst->buf);
-	b_ncat(&dst->buf, &src->buf, b_data(&src->buf));
+	b_ncat(&dst->buf, &src->buf, ring_data(src));
 error:
 	return dst;
 }
diff --git a/src/mworker.c b/src/mworker.c
index c71446ab8..07d5a99b5 100644
--- a/src/mworker.c
+++ b/src/mworker.c
@@ -738,7 +738,7 @@ static int cli_io_handler_show_loadstatus(struct appctx *appctx)
 		chunk_printf(&trash, "Success=1\n");
 	}
 #ifdef USE_SHM_OPEN
-	if (startup_logs && b_data(&startup_logs->buf) > 1)
+	if (startup_logs && ring_data(startup_logs) > 1)
 		chunk_appendf(&trash, "--\n");
 
 	if (applet_putchk(appctx, &trash) == -1)