diff --git a/src/modules/module-netjack2/peer.c b/src/modules/module-netjack2/peer.c
index 699703814..c1e658d3c 100644
--- a/src/modules/module-netjack2/peer.c
+++ b/src/modules/module-netjack2/peer.c
@@ -251,7 +251,7 @@ static void midi_to_netjack2(struct netjack2_peer *peer,
 	uint32_t free_size;
 
 	buf->magic = MIDI_BUFFER_MAGIC;
-	buf->buffer_size = peer->quantum_limit * sizeof(float);
+	buf->buffer_size = peer->params.period_size * sizeof(float);
 	buf->nframes = n_samples;
 	buf->write_pos = 0;
 	buf->event_count = 0;