diff --git a/cura/ConvexHullDecorator.py b/cura/ConvexHullDecorator.py
index b53737cc80..381b5b2b69 100644
--- a/cura/ConvexHullDecorator.py
+++ b/cura/ConvexHullDecorator.py
@@ -8,11 +8,11 @@ class ConvexHullDecorator(SceneNodeDecorator):
     def __init__(self):
         super().__init__()
         self._convex_hull = None
-        
+
         # In case of printing all at once this is the same as the convex hull.
         # For one at the time this is the area without the head.
         self._convex_hull_boundary = None 
-        
+
         # In case of printing all at once this is the same as the convex hull.
         # For one at the time this is area with intersection of mirrored head
         self._convex_hull_head = None
@@ -20,15 +20,23 @@ class ConvexHullDecorator(SceneNodeDecorator):
         # In case of printing all at once this is the same as the convex hull.
         # For one at the time this is area with intersection of full head
         self._convex_hull_head_full = None
-        
+
         self._convex_hull_node = None
         self._convex_hull_job = None
 
+        # Keep track of the previous parent so we can clear its convex hull when the object is reparented
+        self._parent_node = None
+
         self._profile = None
         Application.getInstance().getMachineManager().activeProfileChanged.connect(self._onActiveProfileChanged)
         Application.getInstance().getMachineManager().activeMachineInstanceChanged.connect(self._onActiveMachineInstanceChanged)
         self._onActiveProfileChanged()
 
+    def setNode(self, node):
+        super().setNode(node)
+        self._parent_node = node.getParent()
+        node.parentChanged.connect(self._onParentChanged)
+
     ## Force that a new (empty) object is created upon copy.
     def __deepcopy__(self, memo):
         copy = ConvexHullDecorator()
@@ -59,7 +67,7 @@ class ConvexHullDecorator(SceneNodeDecorator):
         if not self._convex_hull_boundary:
             return self.getConvexHull()
         return self._convex_hull_boundary
-    
+
     def setConvexHullBoundary(self, hull):
         self._convex_hull_boundary = hull
 
@@ -68,22 +76,25 @@ class ConvexHullDecorator(SceneNodeDecorator):
 
     def setConvexHullHead(self, hull):
         self._convex_hull_head = hull
-    
+
     def setConvexHull(self, hull):
         self._convex_hull = hull
-    
+        if not hull and self._convex_hull_node:
+            self._convex_hull_node.setParent(None)
+            self._convex_hull_node = None
+
     def getConvexHullJob(self):
         return self._convex_hull_job
-    
+
     def setConvexHullJob(self, job):
         self._convex_hull_job = job
-    
+
     def getConvexHullNode(self):
         return self._convex_hull_node
-    
+
     def setConvexHullNode(self, node):
         self._convex_hull_node = node
-            
+
     def _onActiveProfileChanged(self):
         if self._profile:
             self._profile.settingValueChanged.disconnect(self._onSettingValueChanged)
@@ -97,15 +108,15 @@ class ConvexHullDecorator(SceneNodeDecorator):
         if self._convex_hull_job:
             self._convex_hull_job.cancel()
         self.setConvexHull(None)
-        if self._convex_hull_node:
-            self._convex_hull_node.setParent(None)
-            self._convex_hull_node = None
 
     def _onSettingValueChanged(self, setting):
         if setting == "print_sequence":
             if self._convex_hull_job:
                 self._convex_hull_job.cancel()
             self.setConvexHull(None)
-            if self._convex_hull_node:
-                self._convex_hull_node.setParent(None)
-                self._convex_hull_node = None
+
+    def _onParentChanged(self, node):
+        # Force updating the convex hull of the parent group if the object is in a group
+        if self._parent_node and self._parent_node.callDecoration("isGroup"):
+            self._parent_node.callDecoration("setConvexHull", None)
+        self._parent_node = self.getNode().getParent()