diff --git a/internal/controller/factory/statefulset.go b/internal/controller/factory/statefulset.go
index 4fd5c91..a2671ae 100644
--- a/internal/controller/factory/statefulset.go
+++ b/internal/controller/factory/statefulset.go
@@ -20,6 +20,7 @@ import (
 	"context"
 	"fmt"
 	"math"
+	"slices"
 	"strconv"
 
 	"github.com/aenix-io/etcd-operator/internal/log"
@@ -334,6 +335,8 @@ func generateEtcdArgs(cluster *etcdaenixiov1alpha1.EtcdCluster) []string {
 	args = append(args, clientTlsSettings...)
 	args = append(args, autoCompactionSettings...)
 
+	slices.Sort(args)
+
 	return args
 }