diff --git a/src/ol/control/control.js b/src/ol/control/control.js
index 4ebab38345..ab61fc8c0b 100644
--- a/src/ol/control/control.js
+++ b/src/ol/control/control.js
@@ -30,7 +30,7 @@ ol.control.Control = function(options) {
 
   /**
    * @private
-   * @type {?Element}
+   * @type {Element}
    */
   this.target_ = goog.isDef(options.target) ?
       goog.dom.getElement(options.target) : null;