diff --git a/toonz/sources/toonz/frameheadgadget.cpp b/toonz/sources/toonz/frameheadgadget.cpp
index 29e3876..76e525e 100644
--- a/toonz/sources/toonz/frameheadgadget.cpp
+++ b/toonz/sources/toonz/frameheadgadget.cpp
@@ -37,12 +37,6 @@ void enableOnionSkin(bool enable = true)
 	osmh->notifyOnionSkinMaskChanged();
 }
 
-void enableZeroThick(bool enable = true)
-{
-	Preferences::instance()->setShow0ThickLines(enable);
-	TApp::instance()->getCurrentScene()->notifySceneChanged();
-}
-
 bool isOnionSkinEnabled()
 {
 	TOnionSkinMaskHandle *osmh = TApp::instance()->getCurrentOnionSkin();
@@ -703,4 +697,36 @@ public:
 		bool checked = action->isChecked();
 		enableZeroThick(checked);
 	}
+
+	static void enableZeroThick(bool enable = true)
+	{
+		Preferences::instance()->setShow0ThickLines(enable);
+		TApp::instance()->getCurrentScene()->notifySceneChanged();
+	}
 } ZeroThickToggle;
+
+
+void ZeroThickToggleGui::addZeroThickCommand(QMenu *menu)
+{
+	static ZeroThickToggleHandler switcher;
+	if (Preferences::instance()->getShow0ThickLines()) {
+		QAction *hideZeroThick = menu->addAction(QString(QObject::tr("Hide Zero Thickness Lines")));
+		menu->connect(hideZeroThick, SIGNAL(triggered()),
+			&switcher, SLOT(deactivate()));
+	}
+	else {
+		QAction *showZeroThick = menu->addAction(QString(QObject::tr("Show Zero Thickness Lines")));
+		menu->connect(showZeroThick, SIGNAL(triggered()),
+			&switcher, SLOT(activate()));
+	}
+}
+
+void ZeroThickToggleGui::ZeroThickToggleHandler::activate()
+{
+	ZeroThickToggle::enableZeroThick(true);
+}
+
+void ZeroThickToggleGui::ZeroThickToggleHandler::deactivate()
+{
+	ZeroThickToggle::enableZeroThick(false);
+}
\ No newline at end of file
diff --git a/toonz/sources/toonz/frameheadgadget.h b/toonz/sources/toonz/frameheadgadget.h
index d3fa727..bf6aee2 100644
--- a/toonz/sources/toonz/frameheadgadget.h
+++ b/toonz/sources/toonz/frameheadgadget.h
@@ -11,6 +11,7 @@ class FilmstripFrames;
 class QEvent;
 class QColor;
 class QWidget;
+class QMenu;
 
 class FrameHeadGadget : public QObject
 {
@@ -84,4 +85,20 @@ public:
 	bool eventFilter(QObject *obj, QEvent *event);
 };
 
+namespace ZeroThickToggleGui
+{
+	void addZeroThickCommand(QMenu* menu);
+
+	class ZeroThickToggleHandler : public QObject
+	{
+		Q_OBJECT
+
+	public slots:
+		void activate();
+		void deactivate();
+	};
+
+
+} //Namespace ZeroThickToggleGui
+
 #endif
diff --git a/toonz/sources/toonz/sceneviewercontextmenu.cpp b/toonz/sources/toonz/sceneviewercontextmenu.cpp
index b4a02ed..8135be3 100644
--- a/toonz/sources/toonz/sceneviewercontextmenu.cpp
+++ b/toonz/sources/toonz/sceneviewercontextmenu.cpp
@@ -7,6 +7,7 @@
 #include "tapp.h"
 #include "menubarcommandids.h"
 #include "onionskinmaskgui.h"
+#include "frameheadgadget.h"
 
 // TnzTools includes
 #include "tools/toolhandle.h"
@@ -158,10 +159,14 @@ SceneViewerContextMenu::SceneViewerContextMenu(SceneViewer *parent)
 	addAction(action);
 	ret = ret && parent->connect(action, SIGNAL(triggered()), SLOT(setActualPixelSize()));
 
-// onion skin
+	// onion skin
 	if (Preferences::instance()->isOnionSkinEnabled() && !parent->isPreviewEnabled())
 		OnioniSkinMaskGUI::addOnionSkinCommand(this);
 
+	// Zero Thick
+	if (!parent->isPreviewEnabled())
+		ZeroThickToggleGui::addZeroThickCommand(this);
+
 	// preview
 	if (parent->isPreviewEnabled()) {
 		addSeparator();