diff -r b72c6db6890b -r 5dc02b23752f src/gui/widgets/qcheckbox.cpp
--- a/src/gui/widgets/qcheckbox.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/gui/widgets/qcheckbox.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -291,7 +291,7 @@
     QFontMetrics fm = fontMetrics();
     QStyleOptionButton opt;
     initStyleOption(&opt);
-    QSize sz = style()->itemTextRect(fm, QRect(0, 0, 1, 1), Qt::TextShowMnemonic, false,
+    QSize sz = style()->itemTextRect(fm, QRect(), Qt::TextShowMnemonic, false,
                                      text()).size();
     if (!opt.icon.isNull())
         sz = QSize(sz.width() + opt.iconSize.width() + 4, qMax(sz.height(), opt.iconSize.height()));