diff --git a/services/core/java/com/android/server/biometrics/face/FaceService.java b/services/core/java/com/android/server/biometrics/face/FaceService.java
index a7065216f6a37..ee49f5885e4a3 100644
--- a/services/core/java/com/android/server/biometrics/face/FaceService.java
+++ b/services/core/java/com/android/server/biometrics/face/FaceService.java
@@ -223,7 +223,8 @@ public class FaceService extends BiometricServiceBase {
 
         @Override
         public boolean wasUserDetected() {
-            return mLastAcquire != FaceManager.FACE_ACQUIRED_NOT_DETECTED;
+            return mLastAcquire != FaceManager.FACE_ACQUIRED_NOT_DETECTED
+                    && mLastAcquire != FaceManager.FACE_ACQUIRED_SENSOR_DIRTY;
         }
 
         @Override