diff --git a/resources/data/map/level_3.json b/resources/data/map/level_3.json
index 00ad792..cabc6dd 100644
--- a/resources/data/map/level_3.json
+++ b/resources/data/map/level_3.json
@@ -4,6 +4,7 @@
     "shovel":1,
     "spawn_zombies":"auto",
     "included_zombies":["Zombie", "ConeheadZombie", "BucketheadZombie"],
+    "inevitable_zombie_list":{"20":["BucketheadZombie"]},
     "num_flags":3,
     "zombie_list":[
         {"time":20000, "name":"Zombie"},
diff --git a/resources/data/map/level_4.json b/resources/data/map/level_4.json
index 2675ff3..1df1e0c 100644
--- a/resources/data/map/level_4.json
+++ b/resources/data/map/level_4.json
@@ -4,6 +4,7 @@
     "shovel":1,
     "spawn_zombies":"auto",
     "included_zombies":["Zombie", "ConeheadZombie", "BucketheadZombie", "FootballZombie"],
+    "inevitable_zombie_list":{"20":["BucketheadZombie"], "30":["FootballZombie"]},
     "num_flags":4,
     "zombie_list":[
         {"time":20000, "name":"Zombie"},
diff --git a/resources/data/map/littleGame_1.json b/resources/data/map/littleGame_1.json
index 93595ae..91fb2ba 100644
--- a/resources/data/map/littleGame_1.json
+++ b/resources/data/map/littleGame_1.json
@@ -5,6 +5,7 @@
     "spawn_zombies":"auto",
     "num_flags":4,
     "included_zombies":["Zombie", "ConeheadZombie", "BucketheadZombie"],
+    "inevitable_zombie_list":{"20":["BucketheadZombie"]},
     "card_pool":[
         {"name":"Peashooter"},
         {"name":"SnowPea"},
diff --git a/resources/data/map/littleGame_2.json b/resources/data/map/littleGame_2.json
index dc56264..c84fd75 100644
--- a/resources/data/map/littleGame_2.json
+++ b/resources/data/map/littleGame_2.json
@@ -5,6 +5,7 @@
     "spawn_zombies":"auto",
     "included_zombies":["Zombie", "ConeheadZombie", "BucketheadZombie"],
     "num_flags":4,
+    "inevitable_zombie_list":{"20":["BucketheadZombie"]},
     "card_pool":[
         {"name":"WallNutBowling"},
         {"name":"RedWallNutBowling"}
diff --git a/source/state/level.py b/source/state/level.py
index 16e4401..dc4a07b 100644
--- a/source/state/level.py
+++ b/source/state/level.py
@@ -124,8 +124,8 @@ class Level(tool.State):
                 volume = int(volume*2.5)
             zombieList = []
 
-            if inevitableZombieDict and (wave in inevitableZombieDict.keys()):
-                for newZombie in inevitableZombieDict[wave]:
+            if inevitableZombieDict and (str(wave) in inevitableZombieDict.keys()):
+                for newZombie in inevitableZombieDict[str(wave)]:
                     zombieList.append(newZombie)
                     volume -= self.createZombieInfo[newZombie][0]
                 if volume < 0: