diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index f9cc33453e152..0f4bb4c5b081e 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -2606,7 +2606,7 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
 
             finishActivityResults(resultCode, resultData, resultGrants);
 
-            final boolean endTask = task.getActivityBelow(this) == null
+            final boolean endTask = task.getTopNonFinishingActivity() == null
                     && !task.isClearingToReuseTask();
             final int transit = endTask ? TRANSIT_OLD_TASK_CLOSE : TRANSIT_OLD_ACTIVITY_CLOSE;
             if (isState(RESUMED)) {
diff --git a/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java b/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
index 6f584ee9a18ca..ef96a2d5960ad 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
@@ -1063,6 +1063,21 @@ public class ActivityRecordTests extends WindowTestsBase {
         assertEquals(STOPPED, nextTop.getState());
     }
 
+    /**
+     * Verify that finish bottom activity from a task won't boost it to top.
+     */
+    @Test
+    public void testFinishBottomActivityIfPossible_noZBoost() {
+        final ActivityRecord bottomActivity = createActivityWithTask();
+        final ActivityRecord topActivity = new ActivityBuilder(mAtm)
+                .setTask(bottomActivity.getTask()).build();
+        topActivity.mVisibleRequested = true;
+        // simulating bottomActivity as a trampoline activity.
+        bottomActivity.setState(RESUMED, "test");
+        bottomActivity.finishIfPossible("test", false);
+        assertFalse(bottomActivity.mNeedsZBoost);
+    }
+
     /**
      * Verify that complete finish request for visible activity must be delayed before the next one
      * becomes visible.