diff --git a/CHANGELOG.md b/CHANGELOG.md
index 399e856..8a86661 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- [#245] Change naming of cluster fqdn to `k3ces.localdomain`
 
 ## [v10.5.0] - 2025-12-02
 ### Added
diff --git a/build/make/k8s.mk b/build/make/k8s.mk
index 162abb6..ae0d3dd 100644
--- a/build/make/k8s.mk
+++ b/build/make/k8s.mk
@@ -31,7 +31,7 @@ RUNTIME_ENV?=local
 $(info RUNTIME_ENV=$(RUNTIME_ENV))
 
 # The host and port of the local cluster
-K3S_CLUSTER_FQDN?=k3ces.local
+K3S_CLUSTER_FQDN?=k3ces.localdomain
 K3S_LOCAL_REGISTRY_PORT?=30099
 
 # The URL of the container-registry to use. Defaults to the registry of the local-cluster.
@@ -46,12 +46,12 @@ $(info CES_REGISTRY_HOST=$(CES_REGISTRY_HOST))
 
 # The name of the kube-context to use for applying resources.
 # If KUBE_CONTEXT_NAME is empty and RUNTIME_ENV is "remote" the currently configured kube-context is used.
-# If KUBE_CONTEXT_NAME is empty and RUNTIME_ENV is not "remote" the "k3ces.local" is used as kube-context.
+# If KUBE_CONTEXT_NAME is empty and RUNTIME_ENV is not "remote" the "k3ces.localdomain" is used as kube-context.
 ifeq (${KUBE_CONTEXT_NAME}, )
 	ifeq (${RUNTIME_ENV}, remote)
 		KUBE_CONTEXT_NAME = $(shell kubectl config current-context)
 	else
-		KUBE_CONTEXT_NAME = k3ces.local
+		KUBE_CONTEXT_NAME = k3ces.localdomain
 	endif
 endif
 $(info KUBE_CONTEXT_NAME=$(KUBE_CONTEXT_NAME))