diff --git a/lib/Model/Data.php b/lib/Model/Data.php
index 24b09f6..feaa572 100644
--- a/lib/Model/Data.php
+++ b/lib/Model/Data.php
@@ -34,7 +34,7 @@ use Volkszaehler\Model;
  * @todo rename? Bsp: DataSample, Sample, Reading
  *
  * @Entity
- * @Table(name="data")
+ * @Table(name="data", indexes={@index(name="search_idx", columns={"timestamp", "channel_id"})})
  */
 class Data {
 	/**