diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index 88aaf33..953527e 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -469,11 +469,11 @@ void QTextControlPrivate::setContent(Qt::TextFormat format, const QString &text,
             // so that the syntax highlight triggers only /once/ for the entire
             // document, not twice.
             formatCursor.beginEditBlock();
-            doc->setPlainText(text);
             doc->setUndoRedoEnabled(false);
             formatCursor.select(QTextCursor::Document);
             formatCursor.setCharFormat(charFormatForInsertion);
             formatCursor.endEditBlock();
+            doc->setPlainText(text);
         } else {
 #ifndef QT_NO_TEXTHTMLPARSER
             doc->setHtml(text);
diff --git a/src/gui/widgets/qmdisubwindow.cpp b/src/gui/widgets/qmdisubwindow.cpp