diff --git a/code/modules/mob/living/simple_animal/friendly/farm_animals.dm b/code/modules/mob/living/simple_animal/friendly/farm_animals.dm
index 66a10c95760..e373e0f4873 100644
--- a/code/modules/mob/living/simple_animal/friendly/farm_animals.dm
+++ b/code/modules/mob/living/simple_animal/friendly/farm_animals.dm
@@ -21,6 +21,7 @@
 	attacktext = "kicks"
 	attack_sound = 'sound/weapons/punch1.ogg'
 	health = 40
+	maxHealth = 40
 	melee_damage_lower = 1
 	melee_damage_upper = 2
 	environment_smash = 0
@@ -98,6 +99,7 @@
 	attacktext = "kicks"
 	attack_sound = 'sound/weapons/punch1.ogg'
 	health = 50
+	maxHealth = 50
 	var/obj/item/udder/udder = null
 	gold_core_spawnable = 2
 
@@ -157,7 +159,8 @@
 	response_disarm = "gently pushes aside"
 	response_harm   = "kicks"
 	attacktext = "kicks"
-	health = 1
+	health = 3
+	maxHealth = 3
 	ventcrawler = 2
 	var/amount_grown = 0
 	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
@@ -206,7 +209,8 @@ var/global/chicken_count = 0
 	response_disarm = "gently pushes aside"
 	response_harm   = "kicks"
 	attacktext = "kicks"
-	health = 10
+	health = 15
+	maxHealth = 15
 	ventcrawler = 2
 	var/eggsleft = 0
 	var/eggsFertile = TRUE
diff --git a/code/modules/mob/living/simple_animal/hostile/alien.dm b/code/modules/mob/living/simple_animal/hostile/alien.dm
index e1b8695c437..b361d62b00d 100644
--- a/code/modules/mob/living/simple_animal/hostile/alien.dm
+++ b/code/modules/mob/living/simple_animal/hostile/alien.dm
@@ -12,8 +12,8 @@
 	speed = 0
 	butcher_results = list(/obj/item/weapon/reagent_containers/food/snacks/meat/slab/xeno = 4,
 							/obj/item/stack/sheet/animalhide/xeno = 1)
-	maxHealth = 100
-	health = 100
+	maxHealth = 125
+	health = 125
 	harm_intent_damage = 5
 	melee_damage_lower = 25
 	melee_damage_upper = 25
@@ -39,7 +39,6 @@
 	icon_state = "aliend_s"
 	icon_living = "aliend_s"
 	icon_dead = "aliend_dead"
-	health = 60
 	melee_damage_lower = 15
 	melee_damage_upper = 15
 	var/plant_cooldown = 30
@@ -59,7 +58,8 @@
 	icon_state = "aliens_s"
 	icon_living = "aliens_s"
 	icon_dead = "aliens_dead"
-	health = 120
+	health = 150
+	maxHealth = 150
 	melee_damage_lower = 15
 	melee_damage_upper = 15
 	ranged = 1
diff --git a/code/modules/mob/living/simple_animal/hostile/hivebot.dm b/code/modules/mob/living/simple_animal/hostile/hivebot.dm
index 0063669071c..d83faba36e2 100644
--- a/code/modules/mob/living/simple_animal/hostile/hivebot.dm
+++ b/code/modules/mob/living/simple_animal/hostile/hivebot.dm
@@ -48,6 +48,7 @@
 	name = "strong hivebot"
 	desc = "A robot, this one is armed and looks tough!"
 	health = 80
+	maxHealth = 80
 	ranged = 1
 
 /mob/living/simple_animal/hostile/hivebot/death(gibbed)