diff --git a/services/core/java/com/android/server/wm/TaskLaunchParamsModifier.java b/services/core/java/com/android/server/wm/TaskLaunchParamsModifier.java
index f43cd7a80ede6..9cc24e2b2120e 100644
--- a/services/core/java/com/android/server/wm/TaskLaunchParamsModifier.java
+++ b/services/core/java/com/android/server/wm/TaskLaunchParamsModifier.java
@@ -261,7 +261,8 @@ class TaskLaunchParamsModifier implements LaunchParamsModifier {
             if (launchMode == WINDOWING_MODE_PINNED) {
                 if (DEBUG) appendLog("picture-in-picture");
             } else if (!root.isResizeable()) {
-                if (shouldLaunchUnresizableAppInFreeform(root, suggestedDisplayArea)) {
+                if (shouldLaunchUnresizableAppInFreeform(root, suggestedDisplayArea,
+                        options.getLaunchWindowingMode())) {
                     launchMode = WINDOWING_MODE_FREEFORM;
                     if (outParams.mBounds.isEmpty()) {
                         getTaskBounds(root, suggestedDisplayArea, layout, launchMode,
@@ -617,7 +618,11 @@ class TaskLaunchParamsModifier implements LaunchParamsModifier {
     }
 
     private boolean shouldLaunchUnresizableAppInFreeform(ActivityRecord activity,
-            TaskDisplayArea displayArea) {
+            TaskDisplayArea displayArea, int launchWindowingMode) {
+        if (launchWindowingMode == WINDOWING_MODE_FULLSCREEN) {
+            // Do not launch the activity in freeform if it explicitly requested fullscreen mode.
+            return false;
+        }
         if (!activity.supportsFreeformInDisplayArea(displayArea) || activity.isResizeable()) {
             return false;
         }