diff --git a/core/unittest/pipeline/PipelineUnittest.cpp b/core/unittest/pipeline/PipelineUnittest.cpp
index 614e6dd415..89df992071 100644
--- a/core/unittest/pipeline/PipelineUnittest.cpp
+++ b/core/unittest/pipeline/PipelineUnittest.cpp
@@ -124,7 +124,7 @@ void PipelineUnittest::OnSuccessfulInit() const {
     APSARA_TEST_EQUAL(QueueKeyManager::GetInstance()->GetKey("test_config-flusher_sls-test_project#test_logstore"),
                       pipeline->GetContext().GetLogstoreKey());
     APSARA_TEST_EQUAL(0, pipeline->mInProcessCnt.load());
-    APSARA_TEST_EQUAL(2U, pipeline->mMetricsRecordRef->GetLabels()->size());
+    APSARA_TEST_EQUAL(3U, pipeline->mMetricsRecordRef->GetLabels()->size());
     APSARA_TEST_TRUE(pipeline->mMetricsRecordRef.HasLabel(METRIC_LABEL_KEY_PIPELINE_NAME, configName));
     APSARA_TEST_TRUE(pipeline->mMetricsRecordRef.HasLabel(METRIC_LABEL_KEY_PROJECT, "test_project"));