diff --git a/packages/SystemUI/src/com/android/systemui/media/controls/ui/controller/MediaHierarchyManager.kt b/packages/SystemUI/src/com/android/systemui/media/controls/ui/controller/MediaHierarchyManager.kt
index 37a035c..5a3efea 100644
--- a/packages/SystemUI/src/com/android/systemui/media/controls/ui/controller/MediaHierarchyManager.kt
+++ b/packages/SystemUI/src/com/android/systemui/media/controls/ui/controller/MediaHierarchyManager.kt
@@ -460,8 +460,7 @@
             object : StatusBarStateController.StateListener {
                 override fun onStatePreChange(oldState: Int, newState: Int) {
                     // We're updating the location before the state change happens, since we want
-                    // the
-                    // location of the previous state to still be up to date when the animation
+                    // the location of the previous state to still be up to date when the animation
                     // starts
                     if (
                         newState == StatusBarState.SHADE_LOCKED &&
@@ -566,6 +565,15 @@
             }
         }
 
+        coroutineScope.launch {
+            shadeInteractor.shadeExpansion.collect { expansion ->
+                if (expansion >= 1f || expansion <= 0f) {
+                    // Shade has fully expanded or collapsed: force transition amount update
+                    setTransitionToFullShadeAmount(expansion)
+                }
+            }
+        }
+
         val settingsObserver: ContentObserver =
             object : ContentObserver(handler) {
                 override fun onChange(selfChange: Boolean, uri: Uri?) {