diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index da5095bb6..6a319446e 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -1198,11 +1198,18 @@ void ObjectList::update_selections()
     auto& selection = _3DScene::get_canvas(wxGetApp().canvas3D())->get_selection();
     wxDataViewItemArray sels;
 
-    for (auto idx: selection.get_volume_idxs())
-    {
-        const auto gl_vol = selection.get_volume(idx);
-        sels.Add(m_objects_model->GetItemByVolumeId(gl_vol->object_idx(), gl_vol->volume_idx()));
+    if (selection.is_single_full_object()) {
+        for (auto idx : selection.get_volume_idxs()) {
+            const auto gl_vol = selection.get_volume(idx);
+            sels.Add(m_objects_model->GetItemByVolumeId(gl_vol->object_idx(), gl_vol->volume_idx()));
+        }
     }
+    else if (selection.is_single_full_instance()) {
+        for (auto idx : selection.get_instance_idxs()) {            
+            sels.Add(m_objects_model->GetItemByInstanceId(selection.get_object_idx(), idx));
+        }
+    }
+    
     select_items(sels);
 }
 
diff --git a/src/slic3r/GUI/wxExtensions.cpp b/src/slic3r/GUI/wxExtensions.cpp
index 8d6a0408e..b561a11ce 100644
--- a/src/slic3r/GUI/wxExtensions.cpp
+++ b/src/slic3r/GUI/wxExtensions.cpp
@@ -727,7 +727,7 @@ wxDataViewItem PrusaObjectDataViewModel::GetItemById(int obj_idx)
 
 wxDataViewItem PrusaObjectDataViewModel::GetItemByVolumeId(int obj_idx, int volume_idx)
 {
-	if (obj_idx >= m_objects.size()) {
+	if (obj_idx >= m_objects.size() || obj_idx < 0) {
 		printf("Error! Out of objects range.\n");
 		return wxDataViewItem(0);
 	}
@@ -749,6 +749,25 @@ wxDataViewItem PrusaObjectDataViewModel::GetItemByVolumeId(int obj_idx, int volu
     return wxDataViewItem(0);
 }
 
+wxDataViewItem PrusaObjectDataViewModel::GetItemByInstanceId(int obj_idx, int inst_idx)
+{
+    if (obj_idx >= m_objects.size() || obj_idx < 0) {
+        printf("Error! Out of objects range.\n");
+        return wxDataViewItem(0);
+    }
+
+    auto instances_item = GetInstanceRootItem(wxDataViewItem(m_objects[obj_idx]));
+    if (!instances_item)
+        return wxDataViewItem(0);
+
+    auto parent = (PrusaObjectDataViewModelNode*)instances_item.GetID();;
+    for (size_t i = 0; i < parent->GetChildCount(); i++)
+        if (parent->GetNthChild(i)->m_idx == inst_idx)
+            return wxDataViewItem(parent->GetNthChild(i));
+
+    return wxDataViewItem(0);
+}
+
 int PrusaObjectDataViewModel::GetIdByItem(const wxDataViewItem& item)
 {
 	wxASSERT(item.IsOk());
@@ -1024,21 +1043,33 @@ ItemType PrusaObjectDataViewModel::GetItemType(const wxDataViewItem &item) const
     return node->m_type;
 }
 
-wxDataViewItem PrusaObjectDataViewModel::GetSettingsItem(const wxDataViewItem &item) const
+wxDataViewItem PrusaObjectDataViewModel::GetItemByType(const wxDataViewItem &parent_item, ItemType type) const 
 {
-    if (!item.IsOk())
+    if (!parent_item.IsOk())
         return wxDataViewItem(0);
 
-    PrusaObjectDataViewModelNode *node = (PrusaObjectDataViewModelNode*)item.GetID();
+    PrusaObjectDataViewModelNode *node = (PrusaObjectDataViewModelNode*)parent_item.GetID();
     if (node->GetChildCount() == 0)
         return wxDataViewItem(0);
 
-    if (node->GetNthChild(0)->m_type == itSettings)
-        return wxDataViewItem((void*)node->GetNthChild(0));
+    for (int i = 0; i < node->GetChildCount(); i++) {
+        if (node->GetNthChild(i)->m_type == type)
+            return wxDataViewItem((void*)node->GetNthChild(i));
+    }
 
     return wxDataViewItem(0);
 }
 
+wxDataViewItem PrusaObjectDataViewModel::GetSettingsItem(const wxDataViewItem &item) const
+{
+    return GetItemByType(item, itSettings);
+}
+
+wxDataViewItem PrusaObjectDataViewModel::GetInstanceRootItem(const wxDataViewItem &item) const
+{
+    return GetItemByType(item, itInstanceRoot);
+}
+
 bool PrusaObjectDataViewModel::IsSettingsItem(const wxDataViewItem &item) const
 {
     if (!item.IsOk())
diff --git a/src/slic3r/GUI/wxExtensions.hpp b/src/slic3r/GUI/wxExtensions.hpp
index 3c9159233..4fae7452b 100644
--- a/src/slic3r/GUI/wxExtensions.hpp
+++ b/src/slic3r/GUI/wxExtensions.hpp
@@ -445,6 +445,7 @@ public:
     void DeleteChildren(wxDataViewItem& parent);
 	wxDataViewItem GetItemById(int obj_idx);
 	wxDataViewItem GetItemByVolumeId(int obj_idx, int volume_idx);
+	wxDataViewItem GetItemByInstanceId(int obj_idx, int inst_idx);
 	int GetIdByItem(const wxDataViewItem& item);
     int GetIdByItemAndType(const wxDataViewItem& item, const ItemType type) const;
     int GetVolumeIdByItem(const wxDataViewItem& item) const;
@@ -490,7 +491,9 @@ public:
 	virtual bool HasContainerColumns(const wxDataViewItem& WXUNUSED(item)) const override {	return true; }
 
     ItemType GetItemType(const wxDataViewItem &item) const ;
+    wxDataViewItem    GetItemByType(const wxDataViewItem &parent_item, ItemType type) const;
     wxDataViewItem    GetSettingsItem(const wxDataViewItem &item) const;
+    wxDataViewItem    GetInstanceRootItem(const wxDataViewItem &item) const;
     bool    IsSettingsItem(const wxDataViewItem &item) const;
     void    UpdateSettingsDigest(const wxDataViewItem &item, const std::vector<std::string>& categories);