diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarBackground.kt b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarBackground.kt
index cd95ad3..1e3f4f1 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarBackground.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarBackground.kt
@@ -61,8 +61,11 @@
         pointerSize = res.getDimension(R.dimen.bubblebar_pointer_size)
 
         shadowAlpha =
-            if (Utilities.isDarkTheme(context)) DARK_THEME_SHADOW_ALPHA
-            else LIGHT_THEME_SHADOW_ALPHA
+            if (Utilities.isDarkTheme(context)) {
+                DARK_THEME_SHADOW_ALPHA
+            } else {
+                LIGHT_THEME_SHADOW_ALPHA
+            }
 
         arrowDrawable =
             ShapeDrawable(TriangleShape.create(pointerSize, pointerSize, /* pointUp= */ true))
@@ -134,4 +137,8 @@
     override fun setColorFilter(colorFilter: ColorFilter?) {
         paint.colorFilter = colorFilter
     }
+
+    fun setArrowAlpha(alpha: Int) {
+        arrowDrawable.paint.alpha = alpha
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
index 8b3e2e4..ac5bfc6 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
@@ -262,6 +262,7 @@
             mBubbleBarBackground.setArrowPosition(arrowPosition);
         }
 
+        mBubbleBarBackground.setArrowAlpha((int) (255 * widthState));
         mBubbleBarBackground.setWidth(interpolatedWidth);
     }