diff --git a/maps/biter_battles.lua b/maps/biter_battles.lua
index 12375109..c4cadad6 100644
--- a/maps/biter_battles.lua
+++ b/maps/biter_battles.lua
@@ -1187,7 +1187,7 @@ local function on_entity_damaged(event)
 				if event.cause.fluidbox[i] then					
 					if event.cause.fluidbox[i].amount > 0.1 then
 						local fluid_name = event.cause.fluidbox[i].name
-						local new_amount = event.cause.fluidbox[i].amount - 0.30
+						local new_amount = event.cause.fluidbox[i].amount - 0.25
 						if new_amount < 0 then new_amount = 0 end
 						event.cause.fluidbox[i] = {name = fluid_name, amount = new_amount}
 					end
diff --git a/maps/labyrinth.lua b/maps/labyrinth.lua
index 08f6f415..7538f344 100644
--- a/maps/labyrinth.lua
+++ b/maps/labyrinth.lua
@@ -535,7 +535,7 @@ local function treasure_chest(position, surface)
 		{{name = "explosives", count = math_random(25,50)}, weight = 1, evolution_min = 0.2, evolution_max = 0.6},
 		{{name = "lubricant-barrel", count = math_random(4,10)}, weight = 1, evolution_min = 0.3, evolution_max = 0.5},
 		{{name = "rocket-fuel", count = math_random(4,10)}, weight = 2, evolution_min = 0.3, evolution_max = 0.7},
-		{{name = "computer", count = 1}, weight = 2, evolution_min = 0, evolution_max = 1},
+		{{name = "computer", count = 1}, weight = 1, evolution_min = 0.2, evolution_max = 1},
 		{{name = "steel-plate", count = math_random(50,100)}, weight = 2, evolution_min = 0.1, evolution_max = 0.3},
 		{{name = "nuclear-fuel", count = 1}, weight = 2, evolution_min = 0.7, evolution_max = 1},