diff --git a/include/win.h b/include/win.h
index 637b90c3559..1198ddb0755 100644
--- a/include/win.h
+++ b/include/win.h
@@ -226,4 +226,8 @@ extern LRESULT WINAPI EditWndProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lP
 extern LRESULT WINAPI ListBoxWndProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam );
 extern LRESULT WINAPI ComboLBWndProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam );
 
+/* generic method that returns TRUE if the window properties ask for a 
+   window manager type of border */
+extern BOOL WIN_WindowNeedsWMBorder( DWORD style, DWORD exStyle );
+
 #endif  /* __WINE_WIN_H */
diff --git a/windows/nonclient.c b/windows/nonclient.c
index 0ba158fbe3c..8e37d09225c 100644
--- a/windows/nonclient.c
+++ b/windows/nonclient.c
@@ -74,6 +74,21 @@ static HBITMAP16 hbitmapRestoreD = 0;
 #define ON_BOTTOM_BORDER(hit) \
  (((hit) == HTBOTTOM) || ((hit) == HTBOTTOMLEFT) || ((hit) == HTBOTTOMRIGHT))
 
+/***********************************************************************
+ *           WIN_WindowNeedsWMBorder
+ *
+ * This method defines the rules for a window to have a WM border,
+ * caption...  It is used for consitency purposes.
+ */
+BOOL WIN_WindowNeedsWMBorder( DWORD style, DWORD exStyle )
+{
+    if (!(style & WS_CHILD) && Options.managed  &&
+        (((style & WS_CAPTION) == WS_CAPTION) ||
+         (style & WS_THICKFRAME) ||
+         (exStyle & WS_EX_DLGMODALFRAME))) return TRUE;
+    return FALSE;
+}
+
 /***********************************************************************
  *           NC_AdjustRect
  *
@@ -88,9 +103,7 @@ static void NC_AdjustRect( LPRECT16 rect, DWORD style, BOOL menu,
 
     if(style & WS_ICONIC) return;
     /* Decide if the window will be managed (see CreateWindowEx) */
-    if (!(Options.managed && !(style & WS_CHILD) &&
-          ((style & (WS_DLGFRAME | WS_THICKFRAME)) ||
-           (exStyle & WS_EX_DLGMODALFRAME))))
+    if (!WIN_WindowNeedsWMBorder(style, exStyle))
     {
         if (HAS_THICKFRAME( style, exStyle ))
             InflateRect16( rect, GetSystemMetrics(SM_CXFRAME), GetSystemMetrics(SM_CYFRAME) );
@@ -156,9 +169,7 @@ NC_AdjustRectOuter95 (LPRECT16 rect, DWORD style, BOOL menu, DWORD exStyle)
     if(style & WS_ICONIC) return;
 
     /* Decide if the window will be managed (see CreateWindowEx) */
-    if (!(Options.managed && !(style & WS_CHILD) &&
-          ((style & (WS_DLGFRAME | WS_THICKFRAME)) ||
-           (exStyle & WS_EX_DLGMODALFRAME))))
+    if (!WIN_WindowNeedsWMBorder(style, exStyle))
     {
         if (HAS_THICKFRAME( style, exStyle ))
             InflateRect16( rect, GetSystemMetrics(SM_CXFRAME), GetSystemMetrics(SM_CYFRAME) );
diff --git a/windows/x11drv/wnd.c b/windows/x11drv/wnd.c
index 96ed420d272..8a43fdf5ad0 100644
--- a/windows/x11drv/wnd.c
+++ b/windows/x11drv/wnd.c
@@ -188,9 +188,7 @@ BOOL X11DRV_WND_CreateWindow(WND *wndPtr, CLASS *classPtr, CREATESTRUCTA *cs, BO
       
       /* Create "managed" windows only if a title bar or resizable */
       /* frame is required. */
-      if (Options.managed && ( ((cs->style & WS_CAPTION) == WS_CAPTION) ||
-                              (cs->style & WS_THICKFRAME) ||
-			      (cs->dwExStyle & WS_EX_DLGMODALFRAME)))
+        if (WIN_WindowNeedsWMBorder(cs->style, cs->dwExStyle))
         {
 	  win_attr.event_mask = ExposureMask | KeyPressMask |
 	    KeyReleaseMask | PointerMotionMask |