diff --git a/src/net/torvald/terrarum/gameactors/ActorWithBody.kt b/src/net/torvald/terrarum/gameactors/ActorWithBody.kt
index a441cf396..8c610b0fa 100644
--- a/src/net/torvald/terrarum/gameactors/ActorWithBody.kt
+++ b/src/net/torvald/terrarum/gameactors/ActorWithBody.kt
@@ -1126,7 +1126,7 @@ open class ActorWithBody(renderOrder: RenderOrder, val physProp: PhysProperties)
         val tyStart = y1.plus(HALF_PIXEL).floorInt()
         val tyEnd =   y2.plus(HALF_PIXEL).floorInt()
 
-        return isCollidingInternalStairs(txStart, tyStart, txEnd, tyEnd, option == COLLIDING_BOTTOM).first > 0
+        return isCollidingInternalStairs(txStart, tyStart, txEnd, tyEnd, option == COLLIDING_BOTTOM).first == 2
     }
 
     /**