diff --git a/src/msw/frame.cpp b/src/msw/frame.cpp
index 7013f9d85d..d766cb0992 100644
--- a/src/msw/frame.cpp
+++ b/src/msw/frame.cpp
@@ -615,7 +615,7 @@ bool wxFrameMSW::ShowFullScreen(bool show, long style)
         LONG offFlags = 0;
 
         if (style & wxFULLSCREEN_NOBORDER)
-            offFlags |= WS_BORDER;
+            offFlags |= WS_BORDER | WS_THICKFRAME;
         if (style & wxFULLSCREEN_NOCAPTION)
             offFlags |= (WS_CAPTION | WS_SYSMENU);