diff --git a/externs/closure-compiler.js b/externs/closure-compiler.js
index a48a5827b0..692208203f 100644
--- a/externs/closure-compiler.js
+++ b/externs/closure-compiler.js
@@ -52,3 +52,12 @@ Document.prototype.msFullscreenEnabled;
 
 /** @type {Element} */
 Document.prototype.msFullscreenElement;
+
+
+// @see https://code.google.com/p/closure-compiler/issues/detail?id=1276
+
+/**
+ * @type {boolean}
+ * @see http://www.w3.org/TR/pointerevents/#widl-Navigator-pointerEnabled
+ */
+Navigator.prototype.pointerEnabled;
diff --git a/src/ol/browserfeature.js b/src/ol/browserfeature.js
index 14c198d3c7..c24b284d67 100644
--- a/src/ol/browserfeature.js
+++ b/src/ol/browserfeature.js
@@ -173,7 +173,7 @@ ol.BrowserFeature.HAS_TOUCH = ol.ASSUME_TOUCH ||
  * @todo stability experimental
  */
 ol.BrowserFeature.HAS_POINTER =
-    !!(goog.global.navigator['pointerEnabled']);
+    !!(goog.global.navigator.pointerEnabled);
 
 
 /**