diff -r 41300fa6a67c -r 3b1da2848fc7 src/gui/kernel/qboxlayout.cpp
--- a/src/gui/kernel/qboxlayout.cpp	Tue Feb 02 00:43:10 2010 +0200
+++ b/src/gui/kernel/qboxlayout.cpp	Fri Feb 19 23:40:16 2010 +0200
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -830,9 +830,11 @@
         if (d->hasHfw && !horz(d->dir)) {
             for (int i = 0; i < n; i++) {
                 QBoxLayoutItem *box = d->list.at(i);
-                if (box->item->hasHeightForWidth())
+                if (box->item->hasHeightForWidth()) {
+                    int width = qBound(box->item->minimumSize().width(), s.width(), box->item->maximumSize().width());
                     a[i].sizeHint = a[i].minimumSize =
-                                    box->item->heightForWidth(s.width());
+                                    box->item->heightForWidth(width);
+                }
             }
         }