diff --git a/game/scripts/chibis/classes.rpy b/game/scripts/chibis/classes.rpy
index de3ea8d4..7194245f 100644
--- a/game/scripts/chibis/classes.rpy
+++ b/game/scripts/chibis/classes.rpy
@@ -113,7 +113,7 @@ init -1 python:
 
             # Use a tuple/list to specify the order of layers in a dict
             self.layers_order = layers
-            self.layers = dict([(k, None) for k in layers])
+            self.layers = dict.fromkeys(layers)
 
             self.update_callback = update_callback
 
@@ -124,8 +124,7 @@ init -1 python:
 
             if actions:
                 # Override class variable for this instance
-                self.actions = dict(Chibi.actions)
-                self.actions.update(actions)
+                self.actions = Chibi.actions | actions
 
             self.zorder = zorder
             self.speed = speed # pixels/sec