diff --git a/spa/plugins/alsa/alsa-pcm.c b/spa/plugins/alsa/alsa-pcm.c
index b119a464e..d304cc1fa 100644
--- a/spa/plugins/alsa/alsa-pcm.c
+++ b/spa/plugins/alsa/alsa-pcm.c
@@ -1576,7 +1576,8 @@ int spa_alsa_set_format(struct state *state, struct spa_audio_info *fmt, uint32_
 		 * the period smaller and add one period of headroom. Limit the
 		 * period size to our default so that we don't create too much
 		 * headroom. */
-		period_size = SPA_MIN(period_size, DEFAULT_PERIOD) / 2;
+		if (!state->disable_tsched)
+			period_size = SPA_MIN(period_size, DEFAULT_PERIOD) / 2;
 		spa_log_info(state->log, "%s: batch mode, period_size:%ld",
 			state->props.device, period_size);
 	} else {