diff --git a/services/core/java/com/android/server/fingerprint/FingerprintService.java b/services/core/java/com/android/server/fingerprint/FingerprintService.java
index befa311..932662f 100644
--- a/services/core/java/com/android/server/fingerprint/FingerprintService.java
+++ b/services/core/java/com/android/server/fingerprint/FingerprintService.java
@@ -764,6 +764,7 @@
             mHandler.post(new Runnable() {
                 @Override
                 public void run() {
+                    MetricsLogger.histogram(mContext, "fingerprint_token", opId != 0L ? 1 : 0);
                     startAuthentication(token, opId, effectiveGroupId, receiver, flags, restricted);
                 }
             });