--- a/src/gui/widgets/qtabwidget.cpp	Mon Jun 21 22:38:13 2010 +0100
+++ b/src/gui/widgets/qtabwidget.cpp	Thu Jul 22 16:41:55 2010 +0100
@@ -542,6 +542,8 @@
 {
     Q_D(QTabWidget);
     d->tabs->setTabEnabled(index, enable);
+    if (QWidget *widget = d->stack->widget(index))
+        widget->setEnabled(enable);
 }
 
 /*!