diff --git a/app/src/actioncommands.cpp b/app/src/actioncommands.cpp
index a2523804b8..341e46dc07 100644
--- a/app/src/actioncommands.cpp
+++ b/app/src/actioncommands.cpp
@@ -616,8 +616,8 @@ void ActionCommands::exposeSelectedFrames(int offset)
     }
 
     currentLayer->setExposureForSelectedFrames(offset);
-    mEditor->updateTimeLine();
-    mEditor->framesModified();
+    emit mEditor->updateTimeLine();
+    emit mEditor->framesModified();
 
     // Remember to deselect frame again so we don't show it being visually selected.
     // B:
@@ -679,7 +679,7 @@ void ActionCommands::reverseSelectedFrames()
     if (currentLayer->type() == Layer::CAMERA) {
         mEditor->view()->forceUpdateViewTransform();
     }
-    mEditor->framesModified();
+    emit mEditor->framesModified();
 };
 
 void ActionCommands::removeKey()
@@ -694,6 +694,30 @@ void ActionCommands::removeKey()
     }
 }
 
+void ActionCommands::duplicateLayer()
+{
+    LayerManager* layerMgr = mEditor->layers();
+    Layer* fromLayer = layerMgr->currentLayer();
+    int currFrame = mEditor->currentFrame();
+
+    Layer* toLayer = layerMgr->createLayer(fromLayer->type(), tr("%1 (copy)", "Default duplicate layer name").arg(fromLayer->name()));
+    toLayer->removeKeyFrame(1);
+    fromLayer->foreachKeyFrame([&] (KeyFrame* key) {
+        key = key->clone();
+        toLayer->addKeyFrame(key->pos(), key);
+        if (toLayer->type() == Layer::SOUND)
+        {
+            mEditor->sound()->processSound(static_cast<SoundClip*>(key));
+        }
+        else
+        {
+            key->setFileName("");
+            key->modification();
+        }
+    });
+    mEditor->scrubTo(currFrame);
+}
+
 void ActionCommands::duplicateKey()
 {
     Layer* layer = mEditor->layers()->currentLayer();
diff --git a/app/src/actioncommands.h b/app/src/actioncommands.h
index 53476eb9d8..eb210e88ed 100644
--- a/app/src/actioncommands.h
+++ b/app/src/actioncommands.h
@@ -67,6 +67,7 @@ class ActionCommands : public QObject
     /** Will insert a keyframe at the current position and push connected frames to the right */
     Status insertKeyFrameAtCurrentPosition();
     void removeKey();
+    void duplicateLayer();
     void duplicateKey();
     void moveFrameForward();
     void moveFrameBackward();
diff --git a/app/src/mainwindow2.cpp b/app/src/mainwindow2.cpp
index 8013771718..663f004d7a 100644
--- a/app/src/mainwindow2.cpp
+++ b/app/src/mainwindow2.cpp
@@ -1396,6 +1396,7 @@ void MainWindow2::makeConnections(Editor* editor, ScribbleArea* scribbleArea)
 void MainWindow2::makeConnections(Editor* pEditor, TimeLine* pTimeline)
 {
     PlaybackManager* pPlaybackManager = pEditor->playback();
+    connect(pTimeline, &TimeLine::duplicateLayerClick, mCommands, &ActionCommands::duplicateLayer);
     connect(pTimeline, &TimeLine::duplicateKeyClick, mCommands, &ActionCommands::duplicateKey);
 
     connect(pTimeline, &TimeLine::soundClick, pPlaybackManager, &PlaybackManager::enableSound);
diff --git a/core_lib/src/interface/timeline.cpp b/core_lib/src/interface/timeline.cpp
index e32437da4d..c7d35ce176 100644
--- a/core_lib/src/interface/timeline.cpp
+++ b/core_lib/src/interface/timeline.cpp
@@ -81,9 +81,15 @@ void TimeLine::initUI()
     removeLayerButton->setToolTip(tr("Remove Layer"));
     removeLayerButton->setFixedSize(24, 24);
 
+    QToolButton* duplicateLayerButton = new QToolButton(this);
+    duplicateLayerButton->setIcon(QIcon(":icons/controls/duplicate.png"));
+    duplicateLayerButton->setToolTip(tr("Duplicate Layer"));
+    duplicateLayerButton->setFixedSize(24, 24);
+
     layerButtons->addWidget(layerLabel);
     layerButtons->addWidget(addLayerButton);
     layerButtons->addWidget(removeLayerButton);
+    layerButtons->addWidget(duplicateLayerButton);
     layerButtons->setFixedHeight(30);
 
     QHBoxLayout* leftToolBarLayout = new QHBoxLayout();
@@ -200,6 +206,7 @@ void TimeLine::initUI()
 
     connect(addKeyButton, &QToolButton::clicked, this, &TimeLine::insertKeyClick);
     connect(removeKeyButton, &QToolButton::clicked, this, &TimeLine::removeKeyClick);
+    connect(duplicateLayerButton, &QToolButton::clicked, this , &TimeLine::duplicateLayerClick);
     connect(duplicateKeyButton, &QToolButton::clicked, this, &TimeLine::duplicateKeyClick);
     connect(zoomSlider, &QSlider::valueChanged, mTracks, &TimeLineCells::setFrameSize);
 
diff --git a/core_lib/src/interface/timeline.h b/core_lib/src/interface/timeline.h
index 2db24962e9..8698cc4852 100644
--- a/core_lib/src/interface/timeline.h
+++ b/core_lib/src/interface/timeline.h
@@ -59,6 +59,7 @@ class TimeLine : public BaseDockWidget
 
     void insertKeyClick();
     void removeKeyClick();
+    void duplicateLayerClick();
     void duplicateKeyClick();
 
     void newBitmapLayer();
diff --git a/core_lib/src/managers/layermanager.cpp b/core_lib/src/managers/layermanager.cpp
index cca74eb13d..8d082ecabb 100644
--- a/core_lib/src/managers/layermanager.cpp
+++ b/core_lib/src/managers/layermanager.cpp
@@ -182,6 +182,34 @@ QString LayerManager::nameSuggestLayer(const QString& name)
     return newName;
 }
 
+Layer* LayerManager::createLayer(Layer::LAYER_TYPE type, const QString& strLayerName)
+{
+    Layer* layer = nullptr;
+    switch (type) {
+    case Layer::BITMAP:
+        layer = object()->addNewBitmapLayer();
+        break;
+    case Layer::VECTOR:
+        layer = object()->addNewVectorLayer();
+        break;
+    case Layer::SOUND:
+        layer = object()->addNewSoundLayer();
+        break;
+    case Layer::CAMERA:
+        layer = object()->addNewCameraLayer();
+        break;
+    default:
+        Q_ASSERT(true);
+        return nullptr;
+    }
+
+    layer->setName(strLayerName);
+    emit layerCountChanged(count());
+    setCurrentLayer(getLastLayerIndex());
+
+    return layer;
+}
+
 LayerBitmap* LayerManager::createBitmapLayer(const QString& strLayerName)
 {
     LayerBitmap* layer = object()->addNewBitmapLayer();
diff --git a/core_lib/src/managers/layermanager.h b/core_lib/src/managers/layermanager.h
index 0fe381ccc9..62c4bad981 100644
--- a/core_lib/src/managers/layermanager.h
+++ b/core_lib/src/managers/layermanager.h
@@ -56,6 +56,8 @@ class LayerManager : public BaseManager
     void gotoNextLayer();
     void gotoPreviouslayer();
 
+    /** Returns a new Layer with the given LAYER_TYPE */
+    Layer* createLayer(Layer::LAYER_TYPE type, const QString& strLayerName);
     LayerBitmap* createBitmapLayer(const QString& strLayerName);
     LayerVector* createVectorLayer(const QString& strLayerName);
     LayerCamera* createCameraLayer(const QString& strLayerName);