diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardFaceUnlockView.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardFaceUnlockView.java
index 062c1be..5922810 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardFaceUnlockView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardFaceUnlockView.java
@@ -69,6 +69,14 @@
     }
 
     @Override
+    public void onDetachedFromWindow() {
+        if (mBiometricUnlock != null) {
+            mBiometricUnlock.hide();
+            mBiometricUnlock.stop();
+        }
+    }
+
+    @Override
     public void onPause() {
         if (mBiometricUnlock != null) {
             mBiometricUnlock.hide();