diff --git a/Assets/Cryville.EEW.Unity/UI/EventReportView.cs b/Assets/Cryville.EEW.Unity/UI/EventReportView.cs
index ac91e81..5b844e7 100644
--- a/Assets/Cryville.EEW.Unity/UI/EventReportView.cs
+++ b/Assets/Cryville.EEW.Unity/UI/EventReportView.cs
@@ -15,7 +15,7 @@ namespace Cryville.EEW.Unity.UI {
 		ReportViewModel _viewModel;
 
 		protected virtual void Start() {
-			m_reportViewButton.onClick.AddListener(OnViewClicked);
+			if (m_reportViewButton != null) m_reportViewButton.onClick.AddListener(OnViewClicked);
 		}
 		void OnViewClicked() {
 			Worker.Instance.SetSelected(_viewModel);