--- a/ui/gtk/label.c	Tue Jan 12 17:41:08 2016 +0100
+++ b/ui/gtk/label.c	Sun Jan 17 19:19:28 2016 +0100
@@ -66,7 +66,11 @@
 }
 
 UIWIDGET ui_separator(UiObject *obj) {
+#if UI_GTK3
     GtkWidget *widget = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
+#else
+    GtkWidget *widget = gtk_hseparator_new();
+#endif
     UiContainer *ct = uic_get_current_container(obj);
     ct->add(ct, widget, FALSE);