diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp
index 617f3acc31..03c90de8b2 100644
--- a/src/msw/toplevel.cpp
+++ b/src/msw/toplevel.cpp
@@ -141,6 +141,11 @@ WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
     else
         msflags |= WS_POPUP;
 
+    if ( style & wxCAPTION )
+        msflags |= WS_CAPTION;
+    else
+        msflags |= WS_POPUP;
+
     // next translate the individual flags
 
     // WS_EX_CONTEXTHELP is incompatible with WS_MINIMIZEBOX and WS_MAXIMIZEBOX