diff --git a/services/core/java/com/android/server/net/NetworkStatsService.java b/services/core/java/com/android/server/net/NetworkStatsService.java
index e3ff72b9a9..e7f92dca60 100644
--- a/services/core/java/com/android/server/net/NetworkStatsService.java
+++ b/services/core/java/com/android/server/net/NetworkStatsService.java
@@ -282,7 +282,7 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
     private Handler mHandler;
     private Handler.Callback mHandlerCallback;
 
-    private boolean mSystemReady;
+    private volatile boolean mSystemReady;
     private long mPersistThreshold = 2 * MB_IN_BYTES;
     private long mGlobalAlertBytes;