diff --git a/src/gui/main_window.cpp b/src/gui/main_window.cpp
index ab68312..1d629d0 100644
--- a/src/gui/main_window.cpp
+++ b/src/gui/main_window.cpp
@@ -7,11 +7,10 @@
 
 namespace mc {
 MainWindow::MainWindow (int icon_size, int icon_fps) :
-	m_frm(),
-	m_grid1(m_frm, 3, true),
-	m_grid2(m_frm, 3, true),
-	m_label1(m_frm, "Slot 1"),
-	m_label2(m_frm, "Slot 2"),
+	m_grid1(*this, 3, true),
+	m_grid2(*this, 3, true),
+	m_label1(*this, "Slot 1"),
+	m_label2(*this, "Slot 2"),
 	m_icon_size(icon_size),
 	m_icon_fps(icon_fps)
 {
@@ -37,16 +36,12 @@ MainWindow::MainWindow (int icon_size, int icon_fps) :
 			m_grid2.emplace_back(duck::make_nana_animation(mc2[z], m_icon_size, m_icon_size, m_icon_fps));
 	}
 
-	m_frm.div("fit margin=3 <vert fit slot1> <width=25> <vert fit slot2>");
-	m_frm["slot1"] << m_label1 << m_grid1;
-	m_frm["slot2"] << m_label2 << m_grid2;
-	m_frm.collocate();
+	this->div("fit margin=3 <vert fit slot1> <width=25> <vert fit slot2>");
+	(*this)["slot1"] << m_label1 << m_grid1;
+	(*this)["slot2"] << m_label2 << m_grid2;
+	this->collocate();
 
 	//const MemoryCard mc(std::ifstream("/home/michele/emu/psx/WipEout 3 - Special Edition (Europe) (En,Fr,De,Es,It).srm", std::ios::binary));
 	//MemoryCard mc(std::ifstream("/home/michele/emu/psx/Rapid Racer (Europe) (En,Fr,De,Es,It).srm", std::ios::binary));
 }
-
-void MainWindow::show() {
-	m_frm.show();
-}
 } //namespace mc
diff --git a/src/gui/main_window.hpp b/src/gui/main_window.hpp
index 36ec0cf..32f189e 100644
--- a/src/gui/main_window.hpp
+++ b/src/gui/main_window.hpp
@@ -5,13 +5,11 @@
 #include <nana/gui/widgets/label.hpp>
 
 namespace mc {
-class MainWindow {
+class MainWindow : public nana::form {
 public:
 	MainWindow (int icon_size, int icon_fps);
-	void show();
 
 private:
-	nana::form m_frm;
 	duck::widget::BlockGrid m_grid1;
 	duck::widget::BlockGrid m_grid2;
 	nana::label m_label1;