diff --git a/src/ol/control/rotatecontrol.js b/src/ol/control/rotatecontrol.js
index b19bacb1ed..9d8facd3e6 100644
--- a/src/ol/control/rotatecontrol.js
+++ b/src/ol/control/rotatecontrol.js
@@ -75,7 +75,7 @@ ol.control.Rotate = function(opt_options) {
    * @type {number}
    * @private
    */
-  this.duration_ = options.duration ? options.duration : 250;
+  this.duration_ = options.duration !== undefined ? options.duration : 250;
 
   /**
    * @type {boolean}
diff --git a/src/ol/control/zoomslidercontrol.js b/src/ol/control/zoomslidercontrol.js
index 3d2bd948f9..92905e89c9 100644
--- a/src/ol/control/zoomslidercontrol.js
+++ b/src/ol/control/zoomslidercontrol.js
@@ -75,7 +75,7 @@ ol.control.ZoomSlider = function(opt_options) {
    * @private
    * @type {number}
    */
-  this.duration_ = options.duration ? options.duration : 200;
+  this.duration_ = options.duration !== undefined ? options.duration : 200;
 
   var className = options.className ? options.className : 'ol-zoomslider';
   var thumbElement = goog.dom.createDom('BUTTON', {
diff --git a/src/ol/interaction/doubleclickzoominteraction.js b/src/ol/interaction/doubleclickzoominteraction.js
index 404e2a1310..634b2837d3 100644
--- a/src/ol/interaction/doubleclickzoominteraction.js
+++ b/src/ol/interaction/doubleclickzoominteraction.js
@@ -34,7 +34,7 @@ ol.interaction.DoubleClickZoom = function(opt_options) {
    * @private
    * @type {number}
    */
-  this.duration_ = options.duration ? options.duration : 250;
+  this.duration_ = options.duration !== undefined ? options.duration : 250;
 
 };
 goog.inherits(ol.interaction.DoubleClickZoom, ol.interaction.Interaction);
diff --git a/src/ol/interaction/dragrotateandzoominteraction.js b/src/ol/interaction/dragrotateandzoominteraction.js
index 66f60baa0a..041d5e7f77 100644
--- a/src/ol/interaction/dragrotateandzoominteraction.js
+++ b/src/ol/interaction/dragrotateandzoominteraction.js
@@ -64,7 +64,7 @@ ol.interaction.DragRotateAndZoom = function(opt_options) {
    * @private
    * @type {number}
    */
-  this.duration_ = options.duration ? options.duration : 400;
+  this.duration_ = options.duration !== undefined ? options.duration : 400;
 
 };
 goog.inherits(ol.interaction.DragRotateAndZoom, ol.interaction.Pointer);
diff --git a/src/ol/interaction/dragrotateinteraction.js b/src/ol/interaction/dragrotateinteraction.js
index d073ad34a4..ef21a0515d 100644
--- a/src/ol/interaction/dragrotateinteraction.js
+++ b/src/ol/interaction/dragrotateinteraction.js
@@ -49,7 +49,7 @@ ol.interaction.DragRotate = function(opt_options) {
    * @private
    * @type {number}
    */
-  this.duration_ = options.duration ? options.duration : 250;
+  this.duration_ = options.duration !== undefined ? options.duration : 250;
 };
 goog.inherits(ol.interaction.DragRotate, ol.interaction.Pointer);