diff --git a/apps/opencs/model/prefs/state.cpp b/apps/opencs/model/prefs/state.cpp
index 2d511c3b50..61d64b783e 100644
--- a/apps/opencs/model/prefs/state.cpp
+++ b/apps/opencs/model/prefs/state.cpp
@@ -410,6 +410,7 @@ void CSMPrefs::State::declare()
     declareShortcut("scene-edit-abort", "Abort", QKeySequence(Qt::Key_Escape));
     declareShortcut("scene-focus-toolbar", "Toggle Toolbar Focus", QKeySequence(Qt::Key_T));
     declareShortcut("scene-render-stats", "Debug Rendering Stats", QKeySequence(Qt::Key_F3));
+    declareShortcut("scene-duplicate", "Duplicate Instance", QKeySequence(Qt::ShiftModifier | Qt::Key_C));
 
     declareSubcategory("1st/Free Camera");
     declareShortcut("free-forward", "Forward", QKeySequence(Qt::Key_W));
diff --git a/apps/opencs/model/prefs/values.hpp b/apps/opencs/model/prefs/values.hpp
index 247c025e80..4683258e57 100644
--- a/apps/opencs/model/prefs/values.hpp
+++ b/apps/opencs/model/prefs/values.hpp
@@ -464,6 +464,7 @@ namespace CSMPrefs
             "scene-instance-drop-terrain-separately", "" };
         Settings::SettingValue<std::string> mSceneInstanceDropCollisionSeparately{ mIndex, sName,
             "scene-instance-drop-collision-separately", "" };
+        Settings::SettingValue<std::string> mSceneDuplicate{ mIndex, sName, "scene-duplicate", "Shift+C" };
         Settings::SettingValue<std::string> mSceneLoadCamCell{ mIndex, sName, "scene-load-cam-cell", "Keypad+5" };
         Settings::SettingValue<std::string> mSceneLoadCamEastcell{ mIndex, sName, "scene-load-cam-eastcell",
             "Keypad+6" };
diff --git a/apps/opencs/model/world/refcollection.cpp b/apps/opencs/model/world/refcollection.cpp
index 1afa9027a9..642edcfb64 100644
--- a/apps/opencs/model/world/refcollection.cpp
+++ b/apps/opencs/model/world/refcollection.cpp
@@ -297,6 +297,7 @@ void CSMWorld::RefCollection::cloneRecord(
     const ESM::RefId& origin, const ESM::RefId& destination, const UniversalId::Type type)
 {
     auto copy = std::make_unique<Record<CellRef>>();
+    int index = getAppendIndex(ESM::RefId(), type);
 
     copy->mModified = getRecord(origin).get();
     copy->mState = RecordBase::State_ModifiedOnly;
@@ -304,6 +305,15 @@ void CSMWorld::RefCollection::cloneRecord(
     copy->get().mId = destination;
     copy->get().mIdNum = extractIdNum(destination.getRefIdString());
 
+    if (copy->get().mRefNum.mContentFile != 0)
+    {
+        mRefIndex.insert(std::make_pair(static_cast<Record<CellRef>*>(copy.get())->get().mIdNum, index));
+        copy->get().mRefNum.mContentFile = 0;
+        copy->get().mRefNum.mIndex = index;
+    }
+    else
+        copy->get().mRefNum.mIndex = copy->get().mIdNum;
+
     insertRecord(std::move(copy), getAppendIndex(destination, type)); // call RefCollection::insertRecord()
 }
 
diff --git a/apps/opencs/view/render/instancemode.cpp b/apps/opencs/view/render/instancemode.cpp
index df5bb02332..7332d9c84b 100644
--- a/apps/opencs/view/render/instancemode.cpp
+++ b/apps/opencs/view/render/instancemode.cpp
@@ -202,15 +202,21 @@ CSVRender::InstanceMode::InstanceMode(
     connect(this, &InstanceMode::requestFocus, worldspaceWidget, &WorldspaceWidget::requestFocus);
 
     CSMPrefs::Shortcut* deleteShortcut = new CSMPrefs::Shortcut("scene-delete", worldspaceWidget);
+    connect(deleteShortcut, qOverload<>(&CSMPrefs::Shortcut::activated), this, &InstanceMode::deleteSelectedInstances);
+
+    CSMPrefs::Shortcut* duplicateShortcut = new CSMPrefs::Shortcut("scene-duplicate", worldspaceWidget);
+
     connect(
-        deleteShortcut, qOverload<bool>(&CSMPrefs::Shortcut::activated), this, &InstanceMode::deleteSelectedInstances);
+        duplicateShortcut, qOverload<>(&CSMPrefs::Shortcut::activated), this, &InstanceMode::cloneSelectedInstances);
 
     // Following classes could be simplified by using QSignalMapper, which is obsolete in Qt5.10, but not in Qt4.8 and
     // Qt5.14
     CSMPrefs::Shortcut* dropToCollisionShortcut
         = new CSMPrefs::Shortcut("scene-instance-drop-collision", worldspaceWidget);
+
     connect(dropToCollisionShortcut, qOverload<>(&CSMPrefs::Shortcut::activated), this,
         &InstanceMode::dropSelectedInstancesToCollision);
+
     CSMPrefs::Shortcut* dropToTerrainLevelShortcut
         = new CSMPrefs::Shortcut("scene-instance-drop-terrain", worldspaceWidget);
     connect(dropToTerrainLevelShortcut, qOverload<>(&CSMPrefs::Shortcut::activated), this,
@@ -1068,7 +1074,7 @@ void CSVRender::InstanceMode::handleSelectDrag(const QPoint& pos)
     mDragMode = DragMode_None;
 }
 
-void CSVRender::InstanceMode::deleteSelectedInstances(bool active)
+void CSVRender::InstanceMode::deleteSelectedInstances()
 {
     std::vector<osg::ref_ptr<TagBase>> selection = getWorldspaceWidget().getSelection(Mask_Reference);
     if (selection.empty())
@@ -1087,6 +1093,27 @@ void CSVRender::InstanceMode::deleteSelectedInstances(bool active)
     getWorldspaceWidget().clearSelection(Mask_Reference);
 }
 
+void CSVRender::InstanceMode::cloneSelectedInstances()
+{
+    std::vector<osg::ref_ptr<TagBase>> selection = getWorldspaceWidget().getSelection(Mask_Reference);
+    if (selection.empty())
+        return;
+
+    CSMDoc::Document& document = getWorldspaceWidget().getDocument();
+    CSMWorld::IdTable& referencesTable
+        = dynamic_cast<CSMWorld::IdTable&>(*document.getData().getTableModel(CSMWorld::UniversalId::Type_References));
+    QUndoStack& undoStack = document.getUndoStack();
+
+    CSMWorld::CommandMacro macro(undoStack, "Clone Instances");
+    for (osg::ref_ptr<TagBase> tag : selection)
+        if (CSVRender::ObjectTag* objectTag = dynamic_cast<CSVRender::ObjectTag*>(tag.get()))
+        {
+            macro.push(new CSMWorld::CloneCommand(referencesTable, objectTag->mObject->getReferenceId(),
+                "ref#" + std::to_string(referencesTable.rowCount()), CSMWorld::UniversalId::Type_Reference));
+        }
+    // getWorldspaceWidget().clearSelection(Mask_Reference);
+}
+
 void CSVRender::InstanceMode::dropInstance(CSVRender::Object* object, float dropHeight)
 {
     object->setEdited(Object::Override_Position);
diff --git a/apps/opencs/view/render/instancemode.hpp b/apps/opencs/view/render/instancemode.hpp
index 5055d08d5b..917fde301a 100644
--- a/apps/opencs/view/render/instancemode.hpp
+++ b/apps/opencs/view/render/instancemode.hpp
@@ -131,7 +131,8 @@ namespace CSVRender
     private slots:
 
         void subModeChanged(const std::string& id);
-        void deleteSelectedInstances(bool active);
+        void deleteSelectedInstances();
+        void cloneSelectedInstances();
         void dropSelectedInstancesToCollision();
         void dropSelectedInstancesToTerrain();
         void dropSelectedInstancesToCollisionSeparately();