diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index 19e8f95e01..ef0f44f1fd 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -57,11 +57,12 @@ public class Hotseat extends CellLayout implements Insettable {
     public static final int ALPHA_CHANNEL_TASKBAR_ALIGNMENT = 0;
     public static final int ALPHA_CHANNEL_PREVIEW_RENDERER = 1;
     public static final int ALPHA_CHANNEL_TASKBAR_STASH = 2;
-    public static final int ALPHA_CHANNEL_CHANNELS_COUNT = 3;
+    public static final int ALPHA_CHANNEL_ASSISTANT_VISIBILITY = 3;
+    public static final int ALPHA_CHANNEL_CHANNELS_COUNT = 4;
 
     @Retention(RetentionPolicy.RUNTIME)
     @IntDef({ALPHA_CHANNEL_TASKBAR_ALIGNMENT, ALPHA_CHANNEL_PREVIEW_RENDERER,
-            ALPHA_CHANNEL_TASKBAR_STASH})
+            ALPHA_CHANNEL_TASKBAR_STASH, ALPHA_CHANNEL_ASSISTANT_VISIBILITY})
     public @interface HotseatQsbAlphaId {
     }
 
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 60c49eb305..197198945c 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -807,7 +807,7 @@ public class Launcher extends StatefulActivity<LauncherState>
     }
 
     public void onAssistantVisibilityChanged(float visibility) {
-        mHotseat.getQsb().setAlpha(1f - visibility);
+        mHotseat.setQsbAlpha(1f - visibility, Hotseat.ALPHA_CHANNEL_ASSISTANT_VISIBILITY);
     }
 
     /**