diff --git a/src/librssguard/gui/webbrowser.cpp b/src/librssguard/gui/webbrowser.cpp
index 5984e6978..ae8719507 100644
--- a/src/librssguard/gui/webbrowser.cpp
+++ b/src/librssguard/gui/webbrowser.cpp
@@ -119,10 +119,12 @@ void WebBrowser::reloadFontSettings() {
   fon.fromString(qApp->settings()->value(GROUP(Messages),
                                          SETTING(Messages::PreviewerFontStandard)).toString());
 
+  auto pixel_size = QFontMetrics(fon).height();
+
   QWebEngineProfile::defaultProfile()->settings()->setFontFamily(QWebEngineSettings::FontFamily::StandardFont, fon.family());
   QWebEngineProfile::defaultProfile()->settings()->setFontFamily(QWebEngineSettings::FontFamily::SerifFont, fon.family());
   QWebEngineProfile::defaultProfile()->settings()->setFontFamily(QWebEngineSettings::FontFamily::SansSerifFont, fon.family());
-  QWebEngineProfile::defaultProfile()->settings()->setFontSize(QWebEngineSettings::DefaultFontSize, fon.pointSize());
+  QWebEngineProfile::defaultProfile()->settings()->setFontSize(QWebEngineSettings::DefaultFontSize, pixel_size);
 }
 
 void WebBrowser::increaseZoom() {
diff --git a/src/librssguard/miscellaneous/settings.cpp b/src/librssguard/miscellaneous/settings.cpp
index 06a43fa55..73a70e443 100644
--- a/src/librssguard/miscellaneous/settings.cpp
+++ b/src/librssguard/miscellaneous/settings.cpp
@@ -133,7 +133,7 @@ DKEY Messages::ShowOnlyUnreadMessages = "show_only_unread_messages";
 DVALUE(bool) Messages::ShowOnlyUnreadMessagesDef = false;
 
 DKEY Messages::PreviewerFontStandard = "previewer_font_standard";
-NON_CONST_DVALUE(QString) Messages::PreviewerFontStandardDef = QFont(QFont().family(), 12).toString();
+NON_CONST_DVALUE(QString) Messages::PreviewerFontStandardDef = QString();
 
 DKEY Messages::ListFont = "list_font";
 
@@ -382,7 +382,9 @@ DVALUE(QStringList) Browser::ExternalToolsDef = QStringList();
 DKEY CategoriesExpandStates::ID = "categories_expand_states";
 
 Settings::Settings(const QString& file_name, Format format, SettingsProperties::SettingsType type, QObject* parent)
-  : QSettings(file_name, format, parent), m_initializationStatus(type) {}
+  : QSettings(file_name, format, parent), m_initializationStatus(type) {
+  Messages::PreviewerFontStandardDef = QFont(QApplication::font().family(), 12).toString();
+}
 
 Settings::~Settings() = default;