diff --git a/kiwixapp.h b/kiwixapp.h
index ca4fccc..e2e71f3 100644
--- a/kiwixapp.h
+++ b/kiwixapp.h
@@ -20,6 +20,7 @@ public:
     KiwixSchemeHandler* getSchemeHandler() { return &schemeHandler; }
     KiwixRequestInterceptor* getRequestInterceptor() { return &requestIntercetor; }
     Library* getLibrary() { return &library; }
+    MainWindow* getMainWindow() { return mainWindow; }
 private:
     Library library;
     MainWindow* mainWindow;
diff --git a/main.cpp b/main.cpp
index 58f074e..a953892 100644
--- a/main.cpp
+++ b/main.cpp
@@ -16,7 +16,7 @@ int main(int argc, char *argv[])
     QString zimfile;
     auto positionalArguments = parser.positionalArguments();
     if (positionalArguments.size() < 1){
-        zimfile = QFileDialog::getOpenFileName(nullptr,
+        zimfile = QFileDialog::getOpenFileName(a.getMainWindow(),
             "Open Zim",
             QString(),
             "ZimFile (*.zim*)");