diff --git a/src/ol/interaction/interaction.js b/src/ol/interaction/interaction.js
index def6b707fb..9b41a7d2de 100644
--- a/src/ol/interaction/interaction.js
+++ b/src/ol/interaction/interaction.js
@@ -33,6 +33,7 @@ ol.interaction.InteractionProperty = {
  *
  * @constructor
  * @extends {ol.Object}
+ * @api
  */
 ol.interaction.Interaction = function() {