diff --git a/cmds/statsd/src/StatsLogProcessor.cpp b/cmds/statsd/src/StatsLogProcessor.cpp
index 5219885268430..986f2ef9a0a39 100644
--- a/cmds/statsd/src/StatsLogProcessor.cpp
+++ b/cmds/statsd/src/StatsLogProcessor.cpp
@@ -502,6 +502,7 @@ void StatsLogProcessor::WriteDataToDisk(bool isShutdown) {
 }
 
 void StatsLogProcessor::informPullAlarmFired(const int64_t timestampNs) {
+    std::lock_guard<std::mutex> lock(mMetricsMutex);
     mStatsPullerManager.OnAlarmFired(timestampNs);
 }