diff --git a/src/ol/geolocation.js b/src/ol/geolocation.js
index c46d5ceb2e..1dcd677b68 100644
--- a/src/ol/geolocation.js
+++ b/src/ol/geolocation.js
@@ -192,12 +192,12 @@ ol.Geolocation.prototype.getAccuracy = function() {
 
 /**
  * Get a geometry of the position accuracy.
- * @return {?ol.geom.Geometry} A geometry of the position accuracy.
+ * @return {?ol.geom.Polygon} A geometry of the position accuracy.
  * @observable
  * @api
  */
 ol.Geolocation.prototype.getAccuracyGeometry = function() {
-  return /** @type {?ol.geom.Geometry} */ (
+  return /** @type {?ol.geom.Polygon} */ (
       this.get(ol.GeolocationProperty.ACCURACY_GEOMETRY) || null);
 };