diff --git a/pysollib/games/montana.py b/pysollib/games/montana.py
index f8bb573f..5357036a 100644
--- a/pysollib/games/montana.py
+++ b/pysollib/games/montana.py
@@ -153,10 +153,7 @@ class Montana_RowStack(BasicRowStack):
             return self.quickPlayHandler(event)
         return BasicRowStack.clickHandler(self, event)
 
-    # bottom to get events for an empty stack
-    prepareBottom = Stack.prepareInvisibleBottom
-
-    getBottomImage = Stack._getReserveBottomImage
+    getBottomImage = Stack._getBlankBottomImage
 
 
 class Montana(Game):