diff --git a/libs/events.js b/libs/events.js
index d12192da..a91df571 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -1501,7 +1501,7 @@ events.prototype._action_jumpHero = function (data, x, y, prefix) {
 events.prototype._action_changeFloor = function (data, x, y, prefix) {
     var loc = this.__action_getHeroLoc(data.loc, prefix);
     var heroLoc = {x: loc[0], y: loc[1], direction: data.direction};
-    core.changeFloor(data.floorId, null, heroLoc, data.time, core.doAction);
+    core.changeFloor(data.floorId, data.stair, heroLoc, data.time, core.doAction);
 }
 
 events.prototype._action_changePos = function (data, x, y, prefix) {