diff --git a/src/bin/wx/OPJViewer/source/OPJThreads.cpp b/src/bin/wx/OPJViewer/source/OPJThreads.cpp
index e3533a72..c9859860 100644
--- a/src/bin/wx/OPJViewer/source/OPJThreads.cpp
+++ b/src/bin/wx/OPJViewer/source/OPJThreads.cpp
@@ -889,7 +889,7 @@ void OPJMarkerTree::OnSelChanged(wxTreeEvent& event)
 
 	m_peektextCtrl->WriteText(text);
 
-	delete buffer;
+	delete [] buffer;
 }
 
 /*void LogKeyEvent(const wxChar *name, const wxKeyEvent& event)