diff --git a/modules/01-networking/cloudflared-tunnel/main.tf b/modules/01-networking/cloudflared-tunnel/main.tf
index 75c5bc3..99d83d8 100644
--- a/modules/01-networking/cloudflared-tunnel/main.tf
+++ b/modules/01-networking/cloudflared-tunnel/main.tf
@@ -29,10 +29,10 @@ locals {
   // Transform service definitions into ingress rules format, only for services with ingress_enabled
   service_ingress_rules = flatten([
     for service in var.service_definitions :
-    // Only process services with hostnames AND where ingress is enabled (or default to true for backward compatibility)
-    (length(service.hostnames) > 0) ? [
-      for hostname in service.hostnames : {
-        hostname = "${hostname}.${var.domain}"
+    // Only process services with subdomains AND where ingress is enabled (or default to true for backward compatibility)
+    (length(service.subdomains) > 0) ? [
+      for subdomain in service.subdomains : {
+        hostname = "${subdomain}.${var.domain}"
         service  = service.endpoint
       }
     ] : []
diff --git a/modules/01-networking/cloudflared-tunnel/variables.tf b/modules/01-networking/cloudflared-tunnel/variables.tf
index 7f392a9..7325f3b 100644
--- a/modules/01-networking/cloudflared-tunnel/variables.tf
+++ b/modules/01-networking/cloudflared-tunnel/variables.tf
@@ -53,7 +53,7 @@ variable "service_definitions" {
     name         = string
     primary_port = number
     endpoint     = string
-    hostnames    = optional(list(string), [])
+    subdomains    = optional(list(string), [])
   }))
   default = []
 }
diff --git a/modules/20-services-apps/actualbudget/main.tf b/modules/20-services-apps/actualbudget/main.tf
index 984e80c..688ef63 100644
--- a/modules/20-services-apps/actualbudget/main.tf
+++ b/modules/20-services-apps/actualbudget/main.tf
@@ -20,7 +20,7 @@ locals {
   image_tag      = var.image_tag != "" ? var.image_tag : "latest"
   monitoring     = true
   exposed_port   = 5006
-  hostnames      = ["budget"]
+  subdomains     = ["budget"]
   default_volumes = [
     {
       container_path = "/data"
@@ -46,6 +46,6 @@ output "service_definition" {
     name         = local.container_name
     primary_port = local.exposed_port
     endpoint     = "http://${local.container_name}:${local.exposed_port}"
-    hostnames    = local.hostnames
+    subdomains    = local.subdomains
   }
 }
diff --git a/outputs.tf b/outputs.tf
index 409b83f..ab635f9 100644
--- a/outputs.tf
+++ b/outputs.tf
@@ -3,7 +3,7 @@ output "services" {
   value = [
     for service in module.services.service_definitions : {
       name     = service.name
-      endpoint = contains(keys(service), "hostnames") ? "${service.hostnames[0]}.${module.cloudflare_globals.domain}" : service.endpoint
+      endpoint = contains(keys(service), "subdomains") ? "${service.subdomains[0]}.${module.cloudflare_globals.domain}" : service.endpoint
     }
   ]
 }