2 files changed, 3 insertions, 2 deletions
diff --git a/gui/ecp5/mainwindow.cc b/gui/ecp5/mainwindow.cc
index 6cc3dd15..1168a55c 100644
--- a/gui/ecp5/mainwindow.cc
+++ b/gui/ecp5/mainwindow.cc
@@ -23,7 +23,7 @@ static void initMainResource() { Q_INIT_RESOURCE(nextpnr); }
 
 NEXTPNR_NAMESPACE_BEGIN
 
-MainWindow::MainWindow(QWidget *parent) : BaseMainWindow(parent)
+MainWindow::MainWindow(std::unique_ptr<Context> context, QWidget *parent) : BaseMainWindow(std::move(context), parent)
 {
     initMainResource();
 
@@ -31,6 +31,7 @@ MainWindow::MainWindow(QWidget *parent) : BaseMainWindow(parent)
     setWindowTitle(title.c_str());
 
     createMenu();
+    Q_EMIT contextChanged(ctx.get());
 }
 
 MainWindow::~MainWindow() {}
diff --git a/gui/ecp5/mainwindow.h b/gui/ecp5/mainwindow.h
index fd9812cd..e97bb4e7 100644
--- a/gui/ecp5/mainwindow.h
+++ b/gui/ecp5/mainwindow.h
@@ -29,7 +29,7 @@ class MainWindow : public BaseMainWindow
     Q_OBJECT
 
   public:
-    explicit MainWindow(QWidget *parent = 0);
+    explicit MainWindow(std::unique_ptr<Context> context, QWidget *parent = 0);
     virtual ~MainWindow();
 
   public: