diff --git a/pkg/resources/statefulsets/minio-statefulset.go b/pkg/resources/statefulsets/minio-statefulset.go
index 8c75d905902..84750d888a4 100644
--- a/pkg/resources/statefulsets/minio-statefulset.go
+++ b/pkg/resources/statefulsets/minio-statefulset.go
@@ -879,6 +879,12 @@ func getInitContainer(t *miniov2.Tenant, operatorImage string) v1.Container {
 			"--tenant",
 			t.Name,
 		},
+		Env: []corev1.EnvVar{
+			{
+				Name:  "CLUSTER_DOMAIN",
+				Value: miniov2.GetClusterDomain(),
+			},
+		},
 		VolumeMounts: []corev1.VolumeMount{
 			CfgVolumeMount,
 		},
@@ -900,6 +906,12 @@ func getSideCarContainer(t *miniov2.Tenant, operatorImage string) v1.Container {
 			"--config-name",
 			t.Spec.Configuration.Name,
 		},
+		Env: []corev1.EnvVar{
+			{
+				Name:  "CLUSTER_DOMAIN",
+				Value: miniov2.GetClusterDomain(),
+			},
+		},
 		VolumeMounts: []corev1.VolumeMount{
 			CfgVolumeMount,
 		},