diff --git a/src/widget/form/chatform.cpp b/src/widget/form/chatform.cpp
index 0eb2faa6b..78b3dd201 100644
--- a/src/widget/form/chatform.cpp
+++ b/src/widget/form/chatform.cpp
@@ -1092,8 +1092,7 @@ void ChatForm::onExportChat()
         ToxPk authorPk(ToxId(it.sender).getPublicKey());
         QString author = getMsgAuthorDispName(authorPk, it.dispName);
 
-        QString line = QString("%1\t%2\t%3\t%4\n").arg(datestamp, timestamp, author, it.message);
-        buffer = buffer % line;
+        buffer = buffer % QString{datestamp % '\t' % timestamp % '\t' % author % '\t' % it.message % '\n'};
     }
     file.write(buffer.toUtf8());
     file.close();
diff --git a/src/widget/form/genericchatform.cpp b/src/widget/form/genericchatform.cpp
index b21ade2c4..0401e02b8 100644
--- a/src/widget/form/genericchatform.cpp
+++ b/src/widget/form/genericchatform.cpp
@@ -45,6 +45,7 @@
 #include <QFileDialog>
 #include <QKeyEvent>
 #include <QMessageBox>
+#include <QStringBuilder>
 
 #ifdef SPELL_CHECKING
 #include <KF5/SonnetUi/sonnet/spellcheckdecorator.h>
@@ -503,7 +504,7 @@ void GenericChatForm::onSaveLogClicked()
 
         QString timestamp = (rightCol == nullptr) ? tr("Not sent") : rightCol->getText();
 
-        plainText += QString("%1\t%3\t%2\n").arg(nick, timestamp, msg);
+        plainText += QString{nick % "\t" % timestamp % "\t" % msg % "\n"};
     }
 
     file.write(plainText.toUtf8());