diff --git a/services/core/java/com/android/server/wm/DesktopModeLaunchParamsModifier.java b/services/core/java/com/android/server/wm/DesktopModeLaunchParamsModifier.java
index e91c9d427c80d..2b6b62e0d81a9 100644
--- a/services/core/java/com/android/server/wm/DesktopModeLaunchParamsModifier.java
+++ b/services/core/java/com/android/server/wm/DesktopModeLaunchParamsModifier.java
@@ -80,8 +80,8 @@ public class DesktopModeLaunchParamsModifier implements LaunchParamsModifier {
             appendLog("not in bounds phase, skipping");
             return RESULT_SKIP;
         }
-        if (!task.isActivityTypeStandard()) {
-            appendLog("not standard activity type, skipping");
+        if (!task.isActivityTypeStandardOrUndefined()) {
+            appendLog("not standard or undefined activity type, skipping");
             return RESULT_SKIP;
         }
         if (!currentParams.mBounds.isEmpty()) {
diff --git a/services/tests/wmtests/src/com/android/server/wm/DesktopModeLaunchParamsModifierTests.java b/services/tests/wmtests/src/com/android/server/wm/DesktopModeLaunchParamsModifierTests.java
index 3a456fb9366c7..dc4e47dfea300 100644
--- a/services/tests/wmtests/src/com/android/server/wm/DesktopModeLaunchParamsModifierTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/DesktopModeLaunchParamsModifierTests.java
@@ -18,6 +18,7 @@ package com.android.server.wm;
 
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_ASSISTANT;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static android.util.DisplayMetrics.DENSITY_DEFAULT;
 
@@ -80,12 +81,26 @@ public class DesktopModeLaunchParamsModifierTests extends WindowTestsBase {
     }
 
     @Test
-    public void testReturnsSkipIfTaskNotUsingActivityTypeStandard() {
+    public void testReturnsSkipIfTaskNotUsingActivityTypeStandardOrUndefined() {
         final Task task = new TaskBuilder(mSupervisor).setActivityType(
                 ACTIVITY_TYPE_ASSISTANT).build();
         assertEquals(RESULT_SKIP, new CalculateRequestBuilder().setTask(task).calculate());
     }
 
+    @Test
+    public void testReturnsDoneIfTaskUsingActivityTypeStandard() {
+        final Task task = new TaskBuilder(mSupervisor).setActivityType(
+                ACTIVITY_TYPE_STANDARD).build();
+        assertEquals(RESULT_DONE, new CalculateRequestBuilder().setTask(task).calculate());
+    }
+
+    @Test
+    public void testReturnsDoneIfTaskUsingActivityTypeUndefined() {
+        final Task task = new TaskBuilder(mSupervisor).setActivityType(
+                ACTIVITY_TYPE_UNDEFINED).build();
+        assertEquals(RESULT_DONE, new CalculateRequestBuilder().setTask(task).calculate());
+    }
+
     @Test
     public void testReturnsSkipIfCurrentParamsHasBounds() {
         final Task task = new TaskBuilder(mSupervisor).setActivityType(