diff --git a/tests/Input/Android.bp b/tests/Input/Android.bp
index c0cbdc3..fc0b1f5 100644
--- a/tests/Input/Android.bp
+++ b/tests/Input/Android.bp
@@ -32,6 +32,7 @@
         "androidx.test.uiautomator_uiautomator",
         "compatibility-device-util-axt",
         "cts-input-lib",
+        "cts-wm-util",
         "flag-junit",
         "frameworks-base-testutils",
         "hamcrest-library",
diff --git a/tests/Input/src/com/android/test/input/AnrTest.kt b/tests/Input/src/com/android/test/input/AnrTest.kt
index 6b95f5c..8d3a5ea 100644
--- a/tests/Input/src/com/android/test/input/AnrTest.kt
+++ b/tests/Input/src/com/android/test/input/AnrTest.kt
@@ -29,6 +29,7 @@
 import android.os.SystemClock
 import android.provider.Settings
 import android.provider.Settings.Global.HIDE_ERROR_DIALOGS
+import android.server.wm.CtsWindowInfoUtils.waitForStableWindowGeometry
 import android.testing.PollingCheck
 
 import androidx.test.uiautomator.By
@@ -38,6 +39,8 @@
 
 import com.android.cts.input.UinputTouchScreen
 
+import java.util.concurrent.TimeUnit
+
 import org.junit.After
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertTrue
@@ -183,5 +186,6 @@
         val flags = " -W -n "
         val startCmd = "am start $flags $PACKAGE_NAME/.UnresponsiveGestureMonitorActivity"
         instrumentation.uiAutomation.executeShellCommand(startCmd)
+        waitForStableWindowGeometry(5L, TimeUnit.SECONDS)
     }
 }