diff --git a/bcipy/gui/alert.py b/bcipy/gui/alert.py
index 8d052685..91fec4c9 100644
--- a/bcipy/gui/alert.py
+++ b/bcipy/gui/alert.py
@@ -23,5 +23,5 @@ def confirm(message: str) -> bool:
                            message_response=AlertMessageResponse.OCE)
     button = dialog.exec()
     result = bool(button == AlertResponse.OK.value)
-    QApplication.instance().quit()
+    app.quit()
     return result
diff --git a/bcipy/gui/bciui.py b/bcipy/gui/bciui.py
index 5099ce9b..b3c30183 100644
--- a/bcipy/gui/bciui.py
+++ b/bcipy/gui/bciui.py
@@ -235,4 +235,4 @@ def run_bciui(ui: Type[BCIUI], *args, **kwargs):
         app = QApplication(sys.argv)
     ui_instance = ui(*args, **kwargs)
     ui_instance.display()
-    app.exec()
+    return app.exec()