diff --git a/externs/olx.js b/externs/olx.js
index 364786b711..b6571db758 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -1538,7 +1538,7 @@ olx.format.TopoJSONOptions.prototype.layers;
 
 
 /**
- * @typedef {{altitudeMode: (ol.format.IGCZ|string|undefined)}}
+ * @typedef {{altitudeMode: (IGCZ|string|undefined)}}
  */
 olx.format.IGCOptions;
 
@@ -1546,7 +1546,7 @@ olx.format.IGCOptions;
 /**
  * Altitude mode. Possible values are `barometric`, `gps`, and `none`. Default
  * is `none`.
- * @type {ol.format.IGCZ|string|undefined}
+ * @type {IGCZ|string|undefined}
  * @api
  */
 olx.format.IGCOptions.prototype.altitudeMode;
diff --git a/src/ol/format/IGC.js b/src/ol/format/IGC.js
index 733280b2a9..a8c46e94c3 100644
--- a/src/ol/format/IGC.js
+++ b/src/ol/format/IGC.js
@@ -41,7 +41,7 @@ var IGC = function(opt_options) {
 
   /**
    * @private
-   * @type {ol.format.IGCZ}
+   * @type {IGCZ}
    */
   this.altitudeMode_ = options.altitudeMode ? options.altitudeMode : IGCZ.NONE;
 };