diff -ruN lock-keys-applet-1.0/src/lock-keys-applet.c lock-keys-applet-1.0-gtk+2.12/src/lock-keys-applet.c
--- lock-keys-applet-1.0/src/lock-keys-applet.c	2003-02-05 18:29:21.000000000 +0200
+++ lock-keys-applet-1.0-gtk+2.12/src/lock-keys-applet.c	2008-02-09 15:28:10.417962822 +0200
@@ -61,8 +61,10 @@
 	gboolean show[3];
 	
 	GtkDialog *about, *settings;
-	
+
+#if !(NEW_API)
 	GtkTooltips *tooltips;
+#endif // NEW_API	
 } LedApplet;
 
 static const char 
@@ -497,7 +499,11 @@
 	off = _("Off");
 	buf = g_strdup_printf(_("Caps: %s Num: %s Scroll: %s"), applet->on[CAPSLOCK] ? on : off, 
 		applet->on[NUMLOCK] ? on : off,applet->on[SCROLLLOCK] ? on : off);
+#if (NEW_API)
+	gtk_tooltips_set_tip(GTK_WIDGET(applet->applet), buf, "");
+#else
 	gtk_tooltips_set_tip(applet->tooltips, GTK_WIDGET(applet->applet), buf, "");
+#endif // NEW_API
 	g_free(buf);
 }
 
@@ -588,7 +594,9 @@
 	g_assert(drawable);
 	applet->rootwin = gdk_x11_drawable_get_xdisplay(drawable);
 	
+#if !(NEW_API)
 	applet->tooltips = gtk_tooltips_new();
+#endif // NEW_API
 	
 	applet->vbox = gtk_vbox_new(FALSE, 0);
 	applet->hbox = gtk_hbox_new(FALSE, 0);