Index: src/main.c
--- src/main.c.orig
+++ src/main.c
@@ -209,9 +209,9 @@ main (int argc, char *argv[])
 	/* It looks like we can't hide widgets attached to a grid,
 	   so the next best thing is to just `null them out':
 	 */
-	gtk_label_set_label (glade_xml_get_widget (gladexml, "label205"), "");
-	gtk_label_set_label (glade_xml_get_widget (gladexml, "label206"), "");
-	gtk_label_set_label (glade_xml_get_widget (gladexml, "label207"), "");
+	gtk_label_set_label (GTK_LABEL(glade_xml_get_widget (gladexml, "label205")), "");
+	gtk_label_set_label (GTK_LABEL(glade_xml_get_widget (gladexml, "label206")), "");
+	gtk_label_set_label (GTK_LABEL(glade_xml_get_widget (gladexml, "label207")), "");
 #endif
 
 	init();
