diff --git a/src/ol/interaction/draw.js b/src/ol/interaction/draw.js
index 39fe3e7b2f..f2e94e2e11 100644
--- a/src/ol/interaction/draw.js
+++ b/src/ol/interaction/draw.js
@@ -484,7 +484,7 @@ ol.interaction.Draw.prototype.startDrawing_ = function(event) {
   this.sketchFeature_.setGeometry(geometry);
   this.updateSketchFeatures_();
   this.dispatchEvent(new ol.interaction.Draw.Event(
-      ol.interaction.Draw.EventType.DRAWSTART, this.sketchFeature_));
+      ol.interaction.Draw.EventType_.DRAWSTART, this.sketchFeature_));
 };
 
 
@@ -611,7 +611,7 @@ ol.interaction.Draw.prototype.removeLastPoint = function() {
 
 /**
  * Stop drawing and add the sketch feature to the target layer.
- * The {@link ol.interaction.Draw.EventType.DRAWEND} event is dispatched before
+ * The {@link ol.interaction.Draw.EventType_.DRAWEND} event is dispatched before
  * inserting the feature.
  * @api
  */
@@ -641,7 +641,7 @@ ol.interaction.Draw.prototype.finishDrawing = function() {
 
   // First dispatch event to allow full set up of feature
   this.dispatchEvent(new ol.interaction.Draw.Event(
-      ol.interaction.Draw.EventType.DRAWEND, sketchFeature));
+      ol.interaction.Draw.EventType_.DRAWEND, sketchFeature));
 
   // Then insert feature
   if (this.features_) {
@@ -692,7 +692,7 @@ ol.interaction.Draw.prototype.extend = function(feature) {
   this.sketchCoords_.push(last.slice());
   this.updateSketchFeatures_();
   this.dispatchEvent(new ol.interaction.Draw.Event(
-      ol.interaction.Draw.EventType.DRAWSTART, this.sketchFeature_));
+      ol.interaction.Draw.EventType_.DRAWSTART, this.sketchFeature_));
 };
 
 
@@ -848,7 +848,7 @@ ol.interaction.Draw.Mode_ = {
  * @constructor
  * @extends {ol.events.Event}
  * @implements {oli.DrawEvent}
- * @param {ol.interaction.Draw.EventType} type Type.
+ * @param {ol.interaction.Draw.EventType_} type Type.
  * @param {ol.Feature} feature The feature drawn.
  */
 ol.interaction.Draw.Event = function(type, feature) {
@@ -868,8 +868,9 @@ ol.inherits(ol.interaction.Draw.Event, ol.events.Event);
 
 /**
  * @enum {string}
+ * @private
  */
-ol.interaction.Draw.EventType = {
+ol.interaction.Draw.EventType_ = {
   /**
    * Triggered upon feature draw start
    * @event ol.interaction.Draw.Event#drawstart