--- pidginotr/gtk-ui.c    2007-03-06 11:52:06.032022000 +0800
+++ pidginotr/gtk-ui.c	2007-03-06 11:53:51.632355000 +0800
@@ -143,10 +143,14 @@
 
 static void clist_all_unselected(void)
 {
-    gtk_widget_set_sensitive(ui_layout.connect_button, 0);
-    gtk_widget_set_sensitive(ui_layout.disconnect_button, 0);
-    gtk_widget_set_sensitive(ui_layout.forget_button, 0);
-    gtk_widget_set_sensitive(ui_layout.verify_button, 0);
+    if (ui_layout.connect_button)
+      gtk_widget_set_sensitive(ui_layout.connect_button, 0);
+    if (ui_layout.disconnect_button)
+      gtk_widget_set_sensitive(ui_layout.disconnect_button, 0);
+    if (ui_layout.forget_button)
+      gtk_widget_set_sensitive(ui_layout.forget_button, 0);
+    if (ui_layout.verify_button)
+      gtk_widget_set_sensitive(ui_layout.verify_button, 0);
     ui_layout.selected_fprint = NULL;
 }