diff -ruN kscreensaver-4.5.95.orig/kscreensaver/krandom_screensaver/random.cpp kscreensaver-4.5.95/kscreensaver/krandom_screensaver/random.cpp
--- kscreensaver-4.5.95.orig/kscreensaver/krandom_screensaver/random.cpp	2010-10-27 21:54:59.000000000 +0200
+++ kscreensaver-4.5.95/kscreensaver/krandom_screensaver/random.cpp	2011-01-09 19:52:54.000000000 +0100
@@ -110,6 +110,7 @@
 	const bool opengl = configGroup.readEntry("OpenGL", false);
 	const bool manipulatescreen = configGroup.readEntry("ManipulateScreen", false);
         // TODO replace this with TryExec=fortune in the desktop files
+	const bool notsafeforwork = false;
         const bool fortune = !KStandardDirs::findExe("fortune").isEmpty();
         foreach( const KService::Ptr& service, lst ) {
             //QString file = KStandardDirs::locate("services", service->entryPath());
@@ -126,6 +127,9 @@
                 } else if (type == QLatin1String("Fortune")) {
                     if (!fortune)
                         goto fail;
+                } else if (type == QLatin1String("NotSafeForWork")) {
+                    if (!notsafeforwork)
+                        goto fail;
                 }
             }
             availableSavers.append(service);