diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 4e868b7c170..427eb95a84a 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -923,6 +923,7 @@ void BitcoinGUI::message(const QString &title, const QString &message, unsigned
 
         showNormalIfMinimized();
         QMessageBox mBox(static_cast<QMessageBox::Icon>(nMBoxIcon), strTitle, message, buttons, this);
+        mBox.setTextFormat(Qt::PlainText);
         int r = mBox.exec();
         if (ret != nullptr)
             *ret = r == QMessageBox::Ok;