diff --git a/src/generic/dirctrlg.cpp b/src/generic/dirctrlg.cpp
index c20e3d7a9a..07359fdbcf 100644
--- a/src/generic/dirctrlg.cpp
+++ b/src/generic/dirctrlg.cpp
@@ -604,6 +604,7 @@ bool wxGenericDirCtrl::Create(wxWindow *parent,
     if (!m_defaultPath.IsEmpty())
         ExpandPath(m_defaultPath);
 
+    SetBestSize(size);
     DoResize();
 
     return TRUE;