diff --git a/src/Android/Autofill/AutofillExternalSelectionActivity.cs b/src/Android/Autofill/AutofillExternalSelectionActivity.cs
index c75d150be..e598982d7 100644
--- a/src/Android/Autofill/AutofillExternalSelectionActivity.cs
+++ b/src/Android/Autofill/AutofillExternalSelectionActivity.cs
@@ -10,7 +10,8 @@ namespace Bit.Droid.Autofill
 {
     [Activity(
         NoHistory = true,
-        LaunchMode = LaunchMode.SingleTop)]
+        LaunchMode = LaunchMode.SingleInstance,
+        Exported = false)]
     public class AutofillExternalSelectionActivity : Xamarin.Forms.Platform.Android.FormsAppCompatActivity
     {
         protected override void OnCreate(Bundle bundle)
diff --git a/src/Android/WebAuthCallbackActivity.cs b/src/Android/WebAuthCallbackActivity.cs
index a2a7889fd..5d36b2e12 100644
--- a/src/Android/WebAuthCallbackActivity.cs
+++ b/src/Android/WebAuthCallbackActivity.cs
@@ -7,7 +7,7 @@ namespace Bit.Droid
 {
     [Activity(
         NoHistory = true, 
-        LaunchMode = LaunchMode.SingleTop,
+        LaunchMode = LaunchMode.SingleInstance,
         Exported = true)]
     [IntentFilter(new[] { Android.Content.Intent.ActionView },
         Categories = new[] { Android.Content.Intent.CategoryDefault, Android.Content.Intent.CategoryBrowsable },