--- nono/wx/wxhistmonitor.cpp	2026/04/29 17:04:56	1.1.1.3
+++ nono/wx/wxhistmonitor.cpp	2026/04/29 17:04:59	1.1.1.4
@@ -32,7 +32,7 @@ WXHistoryMonitor::WXHistoryMonitor(wxWin
 	// |  |  +------------------+ |  |  |
 	// +--+-----------------------+--+--+
 
-	topsizer = new wxBoxSizer(wxHORIZONTAL);
+	wxBoxSizer *topsizer = new wxBoxSizer(wxHORIZONTAL);
 	// 左余白
 	topsizer->Add(new WXPaddingPanel(this), 0, wxEXPAND);
 	// 中列の縦 sizer