diff --git a/core/java/android/window/flags/lse_desktop_experience.aconfig b/core/java/android/window/flags/lse_desktop_experience.aconfig
index c4a9e57..3f3d3d8 100644
--- a/core/java/android/window/flags/lse_desktop_experience.aconfig
+++ b/core/java/android/window/flags/lse_desktop_experience.aconfig
@@ -336,6 +336,13 @@
 }
 
 flag {
+    name: "enable_desktop_app_launch_transitions"
+    namespace: "lse_desktop_experience"
+    description: "Enables custom transitions for app launches in Desktop Mode."
+    bug: "375992828"
+}
+
+flag {
     name: "enable_move_to_next_display_shortcut"
     namespace: "lse_desktop_experience"
     description: "Add new keyboard shortcut of moving a task into next display"