diff --git a/src/ol/browserfeature.js b/src/ol/browserfeature.js
index 4070c36902..7a0740efe1 100644
--- a/src/ol/browserfeature.js
+++ b/src/ol/browserfeature.js
@@ -16,6 +16,6 @@ ol.BrowserFeature = {
    * @type {boolean}
    */
   HAS_TOUCH: ol.ASSUME_TOUCH ||
-      (document && 'ontouchstart' in document.documentElement) ||
-      !!(window.navigator.msPointerEnabled)
+      (goog.global.document && 'ontouchstart' in document.documentElement) ||
+      !!(goog.global.navigator.msPointerEnabled)
 };
diff --git a/src/ol/geolocation.js b/src/ol/geolocation.js
index 4df93e2479..cf45c21b13 100644
--- a/src/ol/geolocation.js
+++ b/src/ol/geolocation.js
@@ -112,7 +112,7 @@ ol.Geolocation.prototype.handleTrackingChanged_ = function() {
  * @const
  * @type {boolean}
  */
-ol.Geolocation.SUPPORTED = 'geolocation' in navigator;
+ol.Geolocation.SUPPORTED = 'geolocation' in goog.global.navigator;
 
 
 /**