diff --git a/spa/plugins/alsa/alsa-pcm.c b/spa/plugins/alsa/alsa-pcm.c
index c6da1dd5a..967fca247 100644
--- a/spa/plugins/alsa/alsa-pcm.c
+++ b/spa/plugins/alsa/alsa-pcm.c
@@ -3535,7 +3535,8 @@ void spa_alsa_emit_node_info(struct state *state, bool full)
 		items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_NODE_DRIVER, "true");
 
 		if (state->have_format)
-			snprintf(latency, sizeof(latency), "%lu/%d", state->buffer_frames / 2, state->rate);
+			snprintf(latency, sizeof(latency), "%lu/%d",
+					state->buffer_frames / (4 * state->frame_scale), state->rate);
 		items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_NODE_MAX_LATENCY, latency[0] ? latency : NULL);
 
 		if (state->have_format)