--- a/src/UI_gtk.c
+++ b/src/UI_gtk.c
@@ -74,6 +74,11 @@
 	return TRUE;
 }
 
+static void clicked(GtkButton *button, IBusHandwriteEngine *engine)
+{
+    ibus_handwrite_engine_commit_text(engine,GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button),"order")));
+}
+
 static void regen_loopuptable(GtkWidget * widget, IBusHandwriteEngine * engine)
 {
 	int i;
@@ -98,11 +103,6 @@
 
 		gtk_widget_show(bt);
 
-		void clicked(GtkButton *button, IBusHandwriteEngine *engine)
-		{
-			ibus_handwrite_engine_commit_text(engine,GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button),"order")));
-		}
-
 		g_object_set_data(G_OBJECT(bt),"order",GINT_TO_POINTER(i));
 		g_signal_connect(bt,"clicked",G_CALLBACK(clicked),engine);