diff --git a/scripts/damageable_object.gd b/scripts/damageable_object.gd
index 8a027a6..3053d7d 100644
--- a/scripts/damageable_object.gd
+++ b/scripts/damageable_object.gd
@@ -18,7 +18,8 @@ func _ready():
 	set_hp(starting_hp)
 
 func take_damage(damage : int = 1):
-	set_hp(current_hp - max_hp)
+	assert(damage > 0)
+	set_hp(current_hp - damage)
 
 func set_hp(hp_to_set : int):
 	current_hp = clamp(hp_to_set,0,max_hp)