diff --git a/Mystery.py b/Mystery.py
index e0ed3bef..a3e11cf3 100644
--- a/Mystery.py
+++ b/Mystery.py
@@ -357,7 +357,7 @@ def roll_settings(weights):
             ret.bush_shuffle = True
             ret.tile_shuffle = True
         elif ret.enemy_shuffle == "chaosthieves":
-            ret.killable_thieves = False
+            ret.killable_thieves = ret.killable_thieves = bool(random.randint(0, 1))
             ret.bush_shuffle = True
             ret.tile_shuffle = True
         ret.enemy_shuffle = True