diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index d4f66e2ee1..867ce1769d 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -449,11 +449,13 @@
 
     <dimen name="bubblebar_icon_size_small">32dp</dimen>
     <dimen name="bubblebar_icon_size">36dp</dimen>
+    <dimen name="bubblebar_icon_size_persistent_taskbar">28dp</dimen>
     <dimen name="bubblebar_badge_size">24dp</dimen>
     <dimen name="bubblebar_icon_overlap">12dp</dimen>
     <dimen name="bubblebar_overflow_inset">16dp</dimen>
     <dimen name="bubblebar_icon_spacing">6dp</dimen>
     <dimen name="bubblebar_icon_spacing_large">8dp</dimen>
+    <dimen name="bubblebar_icon_spacing_persistent_taskbar">@dimen/bubblebar_icon_spacing</dimen>
     <dimen name="bubblebar_expanded_icon_spacing">12dp</dimen>
     <dimen name="bubblebar_icon_elevation">1dp</dimen>
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
index 24b91395f8..94e9e94f9f 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
@@ -31,6 +31,7 @@ import android.view.View;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
 import com.android.launcher3.anim.AnimatedFloat;
 import com.android.launcher3.taskbar.TaskbarActivityContext;
@@ -62,6 +63,7 @@ public class BubbleBarViewController {
     private final TaskbarActivityContext mActivity;
     private final BubbleBarView mBarView;
     private int mIconSize;
+    private int mBubbleBarPadding;
 
     // Initialized in init.
     private BubbleStashController mBubbleStashController;
@@ -110,10 +112,9 @@ public class BubbleBarViewController {
         mTaskbarStashController = controllers.taskbarStashController;
         mTaskbarInsetsController = controllers.taskbarInsetsController;
         mBubbleBarViewAnimator = new BubbleBarViewAnimator(mBarView, mBubbleStashController);
-
+        onBubbleBarConfigurationChanged(/* animate= */ false);
         mActivity.addOnDeviceProfileChangeListener(
-                dp -> updateBubbleBarIconSize(dp.taskbarIconSize, /* animate= */ true));
-        updateBubbleBarIconSize(mActivity.getDeviceProfile().taskbarIconSize, /* animate= */ false);
+                dp -> onBubbleBarConfigurationChanged(/* animate= */ true));
         mBubbleBarScale.updateValue(1f);
         mBubbleClickListener = v -> onBubbleClicked(v);
         mBubbleBarClickListener = v -> onBubbleBarClicked();
@@ -334,27 +335,60 @@ public class BubbleBarViewController {
     // Modifying view related properties.
     //
 
-    private void updateBubbleBarIconSize(int newIconSize, boolean animate) {
+    /** Notifies controller of configuration change, so bubble bar can be adjusted */
+    public void onBubbleBarConfigurationChanged(boolean animate) {
+        int newIconSize;
+        int newPadding;
         Resources res = mActivity.getResources();
+        if (mBubbleStashController.isBubblesShowingOnHome()) {
+            newIconSize = getBubbleBarIconSizeFromDeviceProfile(res);
+            newPadding = getBubbleBarPaddingFromDeviceProfile(res);
+        } else {
+            // the bubble bar is shown inside the persistent task bar, use preset sizes
+            newIconSize = res.getDimensionPixelSize(R.dimen.bubblebar_icon_size_persistent_taskbar);
+            newPadding = res.getDimensionPixelSize(
+                    R.dimen.bubblebar_icon_spacing_persistent_taskbar);
+        }
+        updateBubbleBarIconSizeAndPadding(newIconSize, newPadding, animate);
+    }
+
+
+    private int getBubbleBarIconSizeFromDeviceProfile(Resources res) {
+        DeviceProfile deviceProfile = mActivity.getDeviceProfile();
         DisplayMetrics dm = res.getDisplayMetrics();
         float smallIconSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
                 APP_ICON_SMALL_DP, dm);
         float mediumIconSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
                 APP_ICON_MEDIUM_DP, dm);
-        float largeIconSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
-                APP_ICON_LARGE_DP, dm);
         float smallMediumThreshold = (smallIconSize + mediumIconSize) / 2f;
-        float mediumLargeThreshold = (mediumIconSize + largeIconSize) / 2f;
-        mIconSize = newIconSize <= smallMediumThreshold
+        int taskbarIconSize = deviceProfile.taskbarIconSize;
+        return taskbarIconSize <= smallMediumThreshold
                 ? res.getDimensionPixelSize(R.dimen.bubblebar_icon_size_small) :
                 res.getDimensionPixelSize(R.dimen.bubblebar_icon_size);
-        float bubbleBarPadding = newIconSize >= mediumLargeThreshold
+
+    }
+
+    private int getBubbleBarPaddingFromDeviceProfile(Resources res) {
+        DeviceProfile deviceProfile = mActivity.getDeviceProfile();
+        DisplayMetrics dm = res.getDisplayMetrics();
+        float mediumIconSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
+                APP_ICON_MEDIUM_DP, dm);
+        float largeIconSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
+                APP_ICON_LARGE_DP, dm);
+        float mediumLargeThreshold = (mediumIconSize + largeIconSize) / 2f;
+        return deviceProfile.taskbarIconSize >= mediumLargeThreshold
                 ? res.getDimensionPixelSize(R.dimen.bubblebar_icon_spacing_large) :
                 res.getDimensionPixelSize(R.dimen.bubblebar_icon_spacing);
+    }
+
+    private void updateBubbleBarIconSizeAndPadding(int iconSize, int padding, boolean animate) {
+        if (mIconSize == iconSize && mBubbleBarPadding == padding) return;
+        mIconSize = iconSize;
+        mBubbleBarPadding = padding;
         if (animate) {
-            mBarView.animateBubbleBarIconSize(mIconSize, bubbleBarPadding);
+            mBarView.animateBubbleBarIconSize(iconSize, padding);
         } else {
-            mBarView.setIconSizeAndPadding(mIconSize, bubbleBarPadding);
+            mBarView.setIconSizeAndPadding(iconSize, padding);
         }
     }