diff --git a/impl/src/layer2/packet_queue.c b/impl/src/layer2/packet_queue.c
index c3d885d..27bb021 100644
--- a/impl/src/layer2/packet_queue.c
+++ b/impl/src/layer2/packet_queue.c
@@ -65,6 +65,7 @@ void packet_queue_delete(packet_queue_t *q, size_t count)
 		entry->data_len = 0;
 
 		q->read_idx++;
+		q->read_idx %= PACKET_QUEUE_SIZE;
 	}
 }