diff --git a/main.tf b/main.tf
index 32db8b9..a136d7c 100644
--- a/main.tf
+++ b/main.tf
@@ -28,7 +28,7 @@ locals {
   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
 
-  capacity_providers = var.image_build_details["buildx"] == "true" && can(regexall("^arm64", var.image_build_details["platforms"])) ? [
+  capacity_providers = var.image_build_details["buildx"] == "true" && can(regexall("arm64", var.image_build_details["platforms"])) ? [
     {
       capacity_provider = "${var.ecs_cluster}-native-scaling-graviton"
       weight            = local.ondemand_weight