Index: kdeui/widgets/ktitlewidget.cpp
===================================================================
--- kdeui/widgets/ktitlewidget.cpp      (revision 742174)
+++ kdeui/widgets/ktitlewidget.cpp      (working copy)
@@ -158,6 +158,15 @@
     d->textLabel->setBuddy(buddy);
 }

+void KTitleWidget::changeEvent(QEvent *e)
+{
+    QWidget::changeEvent(e);
+    if (e->type() == QEvent::PaletteChange) {
+        d->textLabel->setStyleSheet(d->textLabel->styleSheet());
+        d->commentLabel->setStyleSheet(d->commentLabel->styleSheet());
+    }
+}
+
 void KTitleWidget::setText(const QString &text, Qt::Alignment alignment)
 {
     d->textLabel->setVisible(!text.isNull());
@@ -190,11 +199,7 @@
         case InfoMessage:
         case WarningMessage:
         case ErrorMessage:
-            styleSheet = QString("QLabel { font-color: %1; background: %2 }")
-                                .arg(palette().color(QPalette::Active,
-                                                     QPalette::HighlightedText).name(),
-                                     palette().color(QPalette::Active,
-                                                     QPalette::Highlight).name());
+            styleSheet = QString("QLabel { font-color: palette(highlighted-text); background: palette(highlight); }");
             break;
         case PlainMessage:
         default:
Index: kdeui/widgets/ktitlewidget.h
===================================================================
--- kdeui/widgets/ktitlewidget.h        (revision 742174)
+++ kdeui/widgets/ktitlewidget.h        (working copy)
@@ -193,6 +193,7 @@
     void setAutoHideTimeout(int msecs);

 protected:
+    void changeEvent(QEvent *e);
     void showEvent(QShowEvent *event);
     bool eventFilter(QObject *object, QEvent *event);