diff --git a/soitool/main_window.py b/soitool/main_window.py
index dcf8ba50d8ce44b6b1460d2b2a3b246338fc0755..1adeebd03878548824c404683c4d025bd41f8c33 100644
--- a/soitool/main_window.py
+++ b/soitool/main_window.py
@@ -484,5 +484,5 @@ class InlineEditableSOIView(QScrollArea):
 if __name__ == "__main__":
     app = QApplication(sys.argv)
     WINDOW = MainWindow()
-    WINDOW.show()
+    WINDOW.showMaximized()
     app.exec_()