diff --git a/app/src/main/res/xml/ab_desc.xml b/app/src/main/res/xml/ab_desc.xml
index 07b7157..44e6d69 100644
--- a/app/src/main/res/xml/ab_desc.xml
+++ b/app/src/main/res/xml/ab_desc.xml
@@ -7,6 +7,7 @@
     android:canPerformGestures="true"
     android:canRetrieveWindowContent="true"
     android:canTakeScreenshot="true"
+    android:isAccessibilityTool="true"
     android:description="@string/a11y_desc"
     android:notificationTimeout="100"
     android:settingsActivity="li.songe.gkd.MainActivity"