diff --git a/pkg/monitor/monitor/util.go b/pkg/monitor/monitor/util.go
index 53735d4d18f..943c7ea1b98 100644
--- a/pkg/monitor/monitor/util.go
+++ b/pkg/monitor/monitor/util.go
@@ -328,10 +328,6 @@ func getMonitorInitContainer(monitor *v1alpha1.TidbMonitor, tc *v1alpha1.TidbClu
 				Name:  "GF_TIDB_PROMETHEUS_URL",
 				Value: "http://127.0.0.1:9090",
 			},
-			{
-				Name:  "TZ",
-				Value: monitor.Timezone(),
-			},
 			{
 				Name:  "TIDB_VERSION",
 				Value: getAlertManagerRulesVersion(monitor),
@@ -370,6 +366,13 @@ func getMonitorInitContainer(monitor *v1alpha1.TidbMonitor, tc *v1alpha1.TidbClu
 				Value: tc.Namespace,
 			},
 		}...)
+	} else {
+		container.Env = append(container.Env, []core.EnvVar{
+			{
+				Name:  "TZ",
+				Value: monitor.Timezone(),
+			},
+		}...)
 	}
 
 	if monitor.Spec.Initializer.ImagePullPolicy != nil {