diff --git a/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java b/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java
index b9a0f74058695..0b09accf2db14 100644
--- a/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java
+++ b/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java
@@ -72,6 +72,10 @@ public class Divider extends SystemUI {
         return mMinimized;
     }
 
+    public boolean isHomeStackResizable() {
+        return mHomeStackResizable;
+    }
+
     private void addDivider(Configuration configuration) {
         mView = (DividerView)
                 LayoutInflater.from(mContext).inflate(R.layout.docked_stack_divider, null);
@@ -119,6 +123,7 @@ public class Divider extends SystemUI {
         mView.post(new Runnable() {
             @Override
             public void run() {
+                mHomeStackResizable = isHomeStackResizable;
                 if (mMinimized != minimized) {
                     mMinimized = minimized;
                     updateTouchable();
diff --git a/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java b/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
index 49035ba5bde54..6f59fe2001a18 100644
--- a/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
+++ b/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
@@ -1241,7 +1241,8 @@ public class DividerView extends FrameLayout implements OnTouchListener,
 
     public final void onBusEvent(UndockingTaskEvent undockingTaskEvent) {
         int dockSide = mWindowManagerProxy.getDockSide();
-        if (dockSide != WindowManager.DOCKED_INVALID && !mDockedStackMinimized) {
+        if (dockSide != WindowManager.DOCKED_INVALID && (mHomeStackResizable
+                || !mDockedStackMinimized)) {
             startDragging(false /* animate */, false /* touching */);
             SnapTarget target = dockSideTopLeft(dockSide)
                     ? mSnapAlgorithm.getDismissEndTarget()
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
index 638c12f3213e8..4d8d6a0bfa02b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -1501,7 +1501,7 @@ public class StatusBar extends SystemUI implements DemoMode,
                     ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT, null, metricsDockAction);
         } else {
             Divider divider = getComponent(Divider.class);
-            if (divider != null && divider.isMinimized()) {
+            if (divider != null && divider.isMinimized() && !divider.isHomeStackResizable()) {
                 // Undocking from the minimized state is not supported
                 return false;
             } else {