diff --git a/plugins/messageviewer/bodypartformatter/highlighter/highlighter.cpp b/plugins/messageviewer/bodypartformatter/highlighter/highlighter.cpp
index 7ad20c87..aca0a6fd 100644
--- a/plugins/messageviewer/bodypartformatter/highlighter/highlighter.cpp
+++ b/plugins/messageviewer/bodypartformatter/highlighter/highlighter.cpp
@@ -1,87 +1,87 @@
 /*
    Copyright (C) 2017-2019 Montel Laurent <montel@kde.org>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; see the file COPYING.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "highlighter.h"
 
 #include <KSyntaxHighlighting/Format>
 #include <KSyntaxHighlighting/State>
 #include <KSyntaxHighlighting/Theme>
 
 #include <QTextStream>
 
 Highlighter::Highlighter(QTextStream *stream)
     : mStream(stream)
 {
 }
 
 Highlighter::~Highlighter() = default;
 
 void Highlighter::highlight(const QString &str)
 {
     *mStream << QStringLiteral("<pre>");
 
     KSyntaxHighlighting::State state;
 
     int lineStart = 0;
     int lineEnd = str.indexOf(QLatin1Char('\n'));
 
     for (; lineEnd != -1; lineStart = lineEnd + 1, lineEnd = str.indexOf(QLatin1Char('\n'), lineStart)) {
         mCurrentLine = str.mid(lineStart, lineEnd - lineStart);
         state = highlightLine(mCurrentLine, state);
         *mStream << QLatin1Char('\n');
     }
     if (lineStart < str.size()) { // remaining content if str isn't ending with a newline
         mCurrentLine = str.mid(lineStart);
         state = highlightLine(mCurrentLine, state);
         *mStream << QLatin1Char('\n');
     }
     *mStream << QLatin1String("</pre>\n");
 }
 
 void Highlighter::applyFormat(int offset, int length, const KSyntaxHighlighting::Format &format)
 {
     if (!format.isDefaultTextStyle(theme())) {
         *mStream << QStringLiteral("<span style=\"");
         if (format.hasTextColor(theme())) {
-            *mStream << QStringLiteral("color:") << format.textColor(theme()).name() << QStringLiteral(";");
+            *mStream << QStringLiteral("color:") << format.textColor(theme()).name() << QLatin1Char(';');
         }
         if (format.hasBackgroundColor(theme())) {
-            *mStream << QStringLiteral("background-color:") << format.backgroundColor(theme()).name() << QStringLiteral(";");
+            *mStream << QStringLiteral("background-color:") << format.backgroundColor(theme()).name() << QLatin1Char(';');
         }
         if (format.isBold(theme())) {
             *mStream << QStringLiteral("font-weight:bold;");
         }
         if (format.isItalic(theme())) {
             *mStream << QStringLiteral("font-style:italic;");
         }
         if (format.isUnderline(theme())) {
             *mStream << QStringLiteral("text-decoration:underline;");
         }
         if (format.isStrikeThrough(theme())) {
             *mStream << QStringLiteral("text-decoration:line-through;");
         }
         *mStream << QStringLiteral("\">");
     }
 
     *mStream << mCurrentLine.mid(offset, length).toHtmlEscaped();
 
     if (!format.isDefaultTextStyle(theme())) {
         *mStream << QStringLiteral("</span>");
     }
 }