diff --git a/gui/src/MainWindow.cpp b/gui/src/MainWindow.cpp
index 8000ac1..78b3a7a 100644
--- a/gui/src/MainWindow.cpp
+++ b/gui/src/MainWindow.cpp
@@ -35,6 +35,8 @@ MainWindow::MainWindow(QWidget *parent) :
 QMainWindow	(parent),
 m_fio_action (nullptr)
 {
+	libeosio::ec_init();
+
 	// Create sub windows and stacked widget.
 	m_stacked = new QStackedWidget();
 	m_stacked->addWidget(new GenerateWindow());
@@ -60,6 +62,11 @@ m_fio_action (nullptr)
 	menuBar()->addAction("About", this, SLOT(showAbout()));
 }
 
+MainWindow::~MainWindow()
+{
+	libeosio::ec_shutdown();
+}
+
 void MainWindow::switchToGenerate()
 {
 	m_stacked->setCurrentIndex(0);
diff --git a/gui/src/MainWindow.hpp b/gui/src/MainWindow.hpp
index deb4a66..06d3fcb 100644
--- a/gui/src/MainWindow.hpp
+++ b/gui/src/MainWindow.hpp
@@ -35,6 +35,7 @@ class MainWindow : public QMainWindow
 	Q_OBJECT
 public:
 	MainWindow(QWidget *parent = 0);
+	virtual ~MainWindow();
 
 private slots :