diff --git a/src/generic/vlbox.cpp b/src/generic/vlbox.cpp
index 989f6f797d..903e187827 100644
--- a/src/generic/vlbox.cpp
+++ b/src/generic/vlbox.cpp
@@ -84,6 +84,8 @@ bool wxVListBox::Create(wxWindow *parent,
 
     m_colBgSel = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
 
+    m_bestSize = GetSize();
+    
     return true;
 }