--- kdelibs-4.3.90/kdeui/kernel/kglobalsettings.cpp~	2010-01-18 17:35:23 +0300

+++ kdelibs-4.3.90/kdeui/kernel/kglobalsettings.cpp	2010-01-18 17:35:46 +0300

@@ -381,7 +381,7 @@ struct KFontData

 // NOTE: keep in sync with kdebase/workspace/kcontrol/fonts/fonts.cpp

 static const char GeneralId[] =      "General";

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

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

 #ifdef Q_WS_MAC

 static const char DefaultMacFont[] = "Lucida Grande";

 #endif