diff --git a/source/ubl-settings-services.h b/source/ubl-settings-services.h
index 5647ff6..db967f4 100644
--- a/source/ubl-settings-services.h
+++ b/source/ubl-settings-services.h
@@ -230,6 +230,7 @@ void on_tree_selection_changed(GtkWidget *self, main_window *widgets);
 
 void yon_main_window_complete(main_window *widgets);
 
+void on_log_show();
 
 gboolean on_service_filter(GtkTreeModel *model, GtkTreeIter *iter,void *data);