diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java
index 3b09910fbe88a..9d69fbab8b4d4 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java
@@ -676,6 +676,14 @@ public class KeyguardSecurityContainerController extends ViewController<Keyguard
         mSecurityViewFlipperController.reset();
     }
 
+    /** Prepares views in the bouncer before starting appear animation. */
+    public void prepareToShow() {
+        View bouncerUserSwitcher = mView.findViewById(R.id.keyguard_bouncer_user_switcher);
+        if (bouncerUserSwitcher != null) {
+            bouncerUserSwitcher.setAlpha(0f);
+        }
+    }
+
     @Override
     public void onResume(int reason) {
         if (DEBUG) Log.d(TAG, "screen on, instance " + Integer.toHexString(hashCode()));
diff --git a/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/KeyguardBouncerViewBinder.kt b/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/KeyguardBouncerViewBinder.kt
index 34e934bec0032..56f1cf661cda1 100644
--- a/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/KeyguardBouncerViewBinder.kt
+++ b/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/KeyguardBouncerViewBinder.kt
@@ -120,6 +120,8 @@ object KeyguardBouncerViewBinder {
                         viewModel.isShowing.collect { isShowing ->
                             view.visibility = if (isShowing) View.VISIBLE else View.INVISIBLE
                             if (isShowing) {
+                                // Reset security container because these views are not reinflated.
+                                securityContainerController.prepareToShow()
                                 securityContainerController.reinflateViewFlipper {
                                     // Reset Security Container entirely.
                                     securityContainerController.onBouncerVisibilityChanged(
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerControllerTest.kt b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerControllerTest.kt
index e447c29b351f4..7ed32865d208d 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerControllerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerControllerTest.kt
@@ -27,6 +27,7 @@ import android.testing.TestableResources
 import android.view.Gravity
 import android.view.LayoutInflater
 import android.view.MotionEvent
+import android.view.View
 import android.view.WindowInsetsController
 import android.widget.FrameLayout
 import androidx.test.filters.SmallTest
@@ -80,6 +81,7 @@ import org.mockito.Captor
 import org.mockito.Mock
 import org.mockito.Mockito.atLeastOnce
 import org.mockito.Mockito.clearInvocations
+import org.mockito.Mockito.mock
 import org.mockito.Mockito.never
 import org.mockito.Mockito.spy
 import org.mockito.Mockito.verify
@@ -772,6 +774,16 @@ class KeyguardSecurityContainerControllerTest : SysuiTestCase() {
             verify(viewMediatorCallback).keyguardDone(anyBoolean(), anyInt())
         }
 
+    @Test
+    fun testResetUserSwitcher() {
+        val userSwitcher = mock(View::class.java)
+        whenever(view.findViewById<View>(R.id.keyguard_bouncer_user_switcher))
+            .thenReturn(userSwitcher)
+
+        underTest.prepareToShow()
+        verify(userSwitcher).setAlpha(0f)
+    }
+
     private val registeredSwipeListener: KeyguardSecurityContainer.SwipeListener
         get() {
             underTest.onViewAttached()