diff --git a/.test-infra/tools/flaky_test_detection.py b/.test-infra/tools/flaky_test_detection.py
index dc69aa5982e5..058c39f516a2 100644
--- a/.test-infra/tools/flaky_test_detection.py
+++ b/.test-infra/tools/flaky_test_detection.py
@@ -23,7 +23,7 @@
 ALERT_NAME = "flaky_test"
 GIT_ORG = "apache"
 GRAFANA_URL = "https://metrics.beam.apache.org"
-READ_ONLY = os.environ.get("READ_ONLY", "false")
+READ_ONLY = os.environ.get("READ_ONLY", "true")
 
 
 class Alert: