diff --git a/source/Platform/Unix/X11Display.cpp b/source/Platform/Unix/X11Display.cpp
index b481019..bb3be61 100644
--- a/source/Platform/Unix/X11Display.cpp
+++ b/source/Platform/Unix/X11Display.cpp
@@ -221,6 +221,16 @@ void X11Display::maximize()
 		SubstructureNotifyMask, (XEvent*) &ev);
 }
 
+void X11Display::enterFullscreen(DisplayMode mode)
+{
+
+}
+
+void X11Display::exitFullscreen()
+{
+
+}
+
 void X11Display::setCaption(const std::string& caption)
 {
 	::XStoreName(Xlib::getDisplay(), m_win, caption.c_str());
diff --git a/source/Platform/Unix/X11Display.h b/source/Platform/Unix/X11Display.h
index b2bdeb3..ae2d327 100644
--- a/source/Platform/Unix/X11Display.h
+++ b/source/Platform/Unix/X11Display.h
@@ -44,6 +44,10 @@ public :
 
 	virtual void 	maximize();
 
+	virtual void 	enterFullscreen(DisplayMode mode);
+
+	virtual void 	exitFullscreen();
+
 	virtual void	setCaption(const std::string& caption);
 
 	virtual void	setIcon(unsigned int width, unsigned int height, const uint8_t *pixels);