--- a/src/platformtheme/kfontsettingsdata.cpp

+++ b/src/platformtheme/kfontsettingsdata.cpp

@@ -45,16 +45,16 @@ KFontSettingsData::~KFontSettingsData()

 // NOTE: keep in sync with plasma-desktop/kcms/fonts/fonts.cpp

 static const char GeneralId[] = "General";

-static const char DefaultFont[] = "Noto Sans";

+static const char DefaultFont[] = "Sans Serif";

 static const KFontData DefaultFontData[KFontSettingsData::FontTypesCount] = {

-    {GeneralId, "font", DefaultFont, 10, QFont::Normal, QFont::SansSerif, "Regular"},

-    {GeneralId, "fixed", "Hack", 10, QFont::Normal, QFont::Monospace, "Regular"},

-    {GeneralId, "toolBarFont", DefaultFont, 10, QFont::Normal, QFont::SansSerif, "Regular"},

-    {GeneralId, "menuFont", DefaultFont, 10, QFont::Normal, QFont::SansSerif, "Regular"},

-    {"WM", "activeFont", DefaultFont, 10, QFont::Normal, QFont::SansSerif, "Regular"},

-    {GeneralId, "taskbarFont", DefaultFont, 10, QFont::Normal, QFont::SansSerif, "Regular"},

-    {GeneralId, "smallestReadableFont", DefaultFont, 8, QFont::Normal, QFont::SansSerif, "Regular"},

+    {GeneralId, "font", DefaultFont, 9, QFont::Normal, QFont::SansSerif, "Regular"},

+    {GeneralId, "fixed", "Monospace", 9, QFont::Normal, QFont::Monospace, "Regular"},

+    {GeneralId, "toolBarFont", DefaultFont, 9, QFont::Normal, QFont::SansSerif, "Regular"},

+    {GeneralId, "menuFont", DefaultFont, 9, QFont::Normal, QFont::SansSerif, "Regular"},

+    {"WM", "activeFont", DefaultFont, 9, QFont::Normal, QFont::SansSerif, "Regular"},

+    {GeneralId, "taskbarFont", DefaultFont, 9, QFont::Normal, QFont::SansSerif, "Regular"},

+    {GeneralId, "smallestReadableFont", DefaultFont, 7, QFont::Normal, QFont::SansSerif, "Regular"},

 };

 QFont *KFontSettingsData::font(FontTypes fontType)