diff --git a/packages/SystemUI/res/layout/window_magnification_settings_view.xml b/packages/SystemUI/res/layout/window_magnification_settings_view.xml
index db8191baa7904..a8febe79acaee 100644
--- a/packages/SystemUI/res/layout/window_magnification_settings_view.xml
+++ b/packages/SystemUI/res/layout/window_magnification_settings_view.xml
@@ -112,9 +112,13 @@
         android:focusable="true">
 
         <TextView
+            android:id="@+id/magnifier_horizontal_lock_title"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_weight="1"
+            android:singleLine="true"
+            android:scrollHorizontally="true"
+            android:ellipsize="marquee"
             android:text="@string/accessibility_allow_diagonal_scrolling"
             android:textAppearance="@style/TextAppearance.MagnificationSetting.Title"
             android:layout_gravity="center_vertical" />
diff --git a/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationSettings.java b/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationSettings.java
index 44b49b8c23865..3b1d695e3dad3 100644
--- a/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationSettings.java
+++ b/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationSettings.java
@@ -53,6 +53,7 @@ import android.widget.ImageButton;
 import android.widget.LinearLayout;
 import android.widget.SeekBar;
 import android.widget.Switch;
+import android.widget.TextView;
 
 import com.android.internal.accessibility.common.MagnificationConstants;
 import com.android.internal.annotations.VisibleForTesting;
@@ -87,6 +88,7 @@ class WindowMagnificationSettings implements MagnificationGestureDetector.OnGest
 
     private SeekBarWithIconButtonsView mZoomSeekbar;
     private LinearLayout mAllowDiagonalScrollingView;
+    private TextView mAllowDiagonalScrollingTitle;
     private Switch mAllowDiagonalScrollingSwitch;
     private LinearLayout mPanelView;
     private LinearLayout mSettingView;
@@ -467,6 +469,8 @@ class WindowMagnificationSettings implements MagnificationGestureDetector.OnGest
         mDoneButton = mSettingView.findViewById(R.id.magnifier_done_button);
         mEditButton = mSettingView.findViewById(R.id.magnifier_edit_button);
         mFullScreenButton = mSettingView.findViewById(R.id.magnifier_full_button);
+        mAllowDiagonalScrollingTitle =
+                mSettingView.findViewById(R.id.magnifier_horizontal_lock_title);
 
         mZoomSeekbar = mSettingView.findViewById(R.id.magnifier_zoom_slider);
         float scale = mSecureSettings.getFloatForUser(
@@ -490,6 +494,7 @@ class WindowMagnificationSettings implements MagnificationGestureDetector.OnGest
         mDoneButton.setOnClickListener(mButtonClickListener);
         mFullScreenButton.setOnClickListener(mButtonClickListener);
         mEditButton.setOnClickListener(mButtonClickListener);
+        mAllowDiagonalScrollingTitle.setSelected(true);
 
         mSettingView.setOnApplyWindowInsetsListener((v, insets) -> {
             // Adds a pending post check to avoiding redundant calculation because this callback