diff --git a/src/ol/interaction/touchzoominteraction.js b/src/ol/interaction/touchzoominteraction.js
index d3074b5ad3..06d4665aa7 100644
--- a/src/ol/interaction/touchzoominteraction.js
+++ b/src/ol/interaction/touchzoominteraction.js
@@ -11,7 +11,7 @@ goog.require('ol.interaction.Touch');
 /**
  * @define {number} Animation duration.
  */
-ol.interaction.TOUCHZOOM_ANIMATION_DURATION = 250;
+ol.interaction.TOUCHZOOM_ANIMATION_DURATION = 400;