diff --git a/build/bakefiles/files.bkl b/build/bakefiles/files.bkl
index c20c976abc..662c1f5590 100644
--- a/build/bakefiles/files.bkl
+++ b/build/bakefiles/files.bkl
@@ -2064,6 +2064,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     src/os2/menu.cpp
     src/os2/menuitem.cpp
     src/os2/metafile.cpp
+    src/os2/minifram.cpp
     src/os2/msgdlg.cpp
     src/os2/nativdlg.cpp
     src/os2/notebook.cpp
diff --git a/src/os2/minifram.cpp b/src/os2/minifram.cpp
new file mode 100644
index 0000000000..b42905ebbf
--- /dev/null
+++ b/src/os2/minifram.cpp
@@ -0,0 +1,21 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        minifram.cpp
+// Purpose:     wxMiniFrame
+// Author:      Julian Smart
+// Modified by:
+// Created:     04/01/98
+// RCS-ID:      $Id: minifram.cpp 49299 2007-10-21 18:07:29Z PC $
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_MINIFRAME
+
+#include "wx/minifram.h"
+
+IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame, wxFrame)
+
+#endif // wxUSE_MINIFRAME