diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index f2e51a1f447..e63f39f2044 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -934,7 +934,6 @@
 
         <!-- Second and third-level settings -->
 
-
         <!-- Lock screen settings -->
         <activity android:name="ConfirmLockPattern"/>
 
@@ -950,6 +949,11 @@
             </intent-filter>
         </activity>
 
+        <activity android:name="ChooseLockGeneric$InternalActivity" android:exported="false"
+            android:label="@string/lockpassword_choose_lock_generic_header"
+            android:excludeFromRecents="true"
+        />
+
         <activity android:name="ChooseLockPattern" android:exported="false"/>
 
         <activity android:name="ChooseLockPassword" android:exported="false"
diff --git a/src/com/android/settings/ChooseLockGeneric.java b/src/com/android/settings/ChooseLockGeneric.java
index 6854305389e..6f16c3d2608 100644
--- a/src/com/android/settings/ChooseLockGeneric.java
+++ b/src/com/android/settings/ChooseLockGeneric.java
@@ -49,6 +49,9 @@ public class ChooseLockGeneric extends PreferenceActivity {
         return modIntent;
     }
 
+    public static class InternalActivity extends ChooseLockGeneric {
+    }
+
     public static class ChooseLockGenericFragment extends SettingsPreferenceFragment {
         private static final int MIN_PASSWORD_LENGTH = 4;
         private static final String KEY_UNLOCK_BACKUP_INFO = "unlock_backup_info";
@@ -86,7 +89,9 @@ public class ChooseLockGeneric extends PreferenceActivity {
             // Defaults to needing to confirm credentials
             final boolean confirmCredentials = getActivity().getIntent()
                 .getBooleanExtra(CONFIRM_CREDENTIALS, true);
-            mPasswordConfirmed = !confirmCredentials;
+            if (getActivity() instanceof ChooseLockGeneric.InternalActivity) {
+                mPasswordConfirmed = !confirmCredentials;
+            }
 
             if (savedInstanceState != null) {
                 mPasswordConfirmed = savedInstanceState.getBoolean(PASSWORD_CONFIRMED);
@@ -325,7 +330,8 @@ public class ChooseLockGeneric extends PreferenceActivity {
         }
 
         private Intent getBiometricSensorIntent() {
-            Intent fallBackIntent = new Intent().setClass(getActivity(), ChooseLockGeneric.class);
+            Intent fallBackIntent = new Intent().setClass(getActivity(),
+                    ChooseLockGeneric.InternalActivity.class);
             fallBackIntent.putExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, true);
             fallBackIntent.putExtra(CONFIRM_CREDENTIALS, false);
             fallBackIntent.putExtra(EXTRA_SHOW_FRAGMENT_TITLE,
diff --git a/src/com/android/settings/ChooseLockPassword.java b/src/com/android/settings/ChooseLockPassword.java
index aab4ba6efa5..70ff44385c3 100644
--- a/src/com/android/settings/ChooseLockPassword.java
+++ b/src/com/android/settings/ChooseLockPassword.java
@@ -154,6 +154,9 @@ public class ChooseLockPassword extends PreferenceActivity {
             super.onCreate(savedInstanceState);
             mLockPatternUtils = new LockPatternUtils(getActivity());
             Intent intent = getActivity().getIntent();
+            if (!(getActivity() instanceof ChooseLockPassword)) {
+                throw new SecurityException("Fragment contained in wrong activity");
+            }
             mRequestedQuality = Math.max(intent.getIntExtra(LockPatternUtils.PASSWORD_TYPE_KEY,
                     mRequestedQuality), mLockPatternUtils.getRequestedPasswordQuality());
             mPasswordMinLength = Math.max(
diff --git a/src/com/android/settings/ChooseLockPattern.java b/src/com/android/settings/ChooseLockPattern.java
index f9c01b6fc96..5f0da1a8624 100644
--- a/src/com/android/settings/ChooseLockPattern.java
+++ b/src/com/android/settings/ChooseLockPattern.java
@@ -301,6 +301,9 @@ public class ChooseLockPattern extends PreferenceActivity {
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
             mChooseLockSettingsHelper = new ChooseLockSettingsHelper(getActivity());
+            if (!(getActivity() instanceof ChooseLockPattern)) {
+                throw new SecurityException("Fragment contained in wrong activity");
+            }
         }
 
         @Override
@@ -331,7 +334,7 @@ public class ChooseLockPattern extends PreferenceActivity {
             topLayout.setDefaultTouchRecepient(mLockPatternView);
 
             final boolean confirmCredentials = getActivity().getIntent()
-                    .getBooleanExtra("confirm_credentials", false);
+                    .getBooleanExtra("confirm_credentials", true);
 
             if (savedInstanceState == null) {
                 if (confirmCredentials) {