diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index c370a00586feb..b74a582db2de4 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -2353,8 +2353,12 @@ public class DevicePolicyManagerService extends BaseIDevicePolicyManager {
             final String value = Boolean.toString(hasDeviceOwner);
             mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, value);
             Slog.i(LOG_TAG, "Set ro.device_owner property to " + value);
+        }
+    }
 
-            if (hasDeviceOwner && mInjector.securityLogGetLoggingEnabledProperty()) {
+    private void maybeStartSecurityLogMonitorOnActivityManagerReady() {
+        synchronized (getLockObject()) {
+            if (mInjector.securityLogIsLoggingEnabled()) {
                 mSecurityLogMonitor.start();
                 mInjector.runCryptoSelfTest();
                 maybePauseDeviceWideLoggingLocked();
@@ -3353,6 +3357,9 @@ public class DevicePolicyManagerService extends BaseIDevicePolicyManager {
                 loadAdminDataAsync();
                 mOwners.systemReady();
                 break;
+            case SystemService.PHASE_ACTIVITY_MANAGER_READY:
+                maybeStartSecurityLogMonitorOnActivityManagerReady();
+                break;
             case SystemService.PHASE_BOOT_COMPLETED:
                 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this.
                 break;