diff --git a/include/wex/dview/dvselectionlist.h b/include/wex/dview/dvselectionlist.h
index 035996c3..10444c89 100644
--- a/include/wex/dview/dvselectionlist.h
+++ b/include/wex/dview/dvselectionlist.h
@@ -139,7 +139,7 @@ class wxDVSelectionListCtrl : public wxScrolledWindow, public wxDVAutoColourAssi
         wxColour color;
         wxString label;
         wxString group;
-        wxString hybrid_bin;
+        wxString hybrid_bin = "";
         bool value[NMAXCOLS];
         bool enable[NMAXCOLS];
         wxRect geom[NMAXCOLS]; // filled in by renderer