diff --git a/main.tf b/main.tf
index 6639a93..aba8926 100644
--- a/main.tf
+++ b/main.tf
@@ -17,7 +17,7 @@ module "ecs_update_monitor" {
 locals {
   p = var.spot_capacity_percentage <= 50 ? var.spot_capacity_percentage : 100 - var.spot_capacity_percentage
   lower_weight = ceil(local.p / 100)
-  higher_weight = local.lower_weight == 0 ? 1 : (floor(local.lower_weight / (local.p / 100)) - 1)
+  higher_weight = local.lower_weight == 0 ? 1 : (floor(local.lower_weight / (local.p / 100)) - local.lower_weight)
   spot_weight = var.spot_capacity_percentage <= 50 ? local.lower_weight : local.higher_weight
   ondemand_weight = var.spot_capacity_percentage <= 50 ? local.higher_weight : local.lower_weight