Index: undo_old.c
===================================================================
--- undo_old.c	(revision 22947)
+++ undo_old.c	(revision 22948)
@@ -407,7 +407,7 @@
  */
 static pcb_bool UndoFlag(UndoListTypePtr Entry)
 {
-	void *ptr1, *ptr1e, *ptr2, *ptr3;
+	void *ptr1, *ptr1e, *ptr2, *ptr3, *txt_save;
 	int type;
 	pcb_flag_t swap;
 	int must_redraw;
@@ -431,10 +431,15 @@
 		if (pcb_undo_and_draw && must_redraw && (ptr1e != NULL))
 			pcb_erase_obj(type, ptr1e, ptr2);
 
+		if (obj->type == PCB_OBJ_TEXT)
+			pcb_text_flagchg_pre((pcb_text_t *)obj, Entry->Data.Flags.f, &txt_save);
+
 		obj->Flags = Entry->Data.Flags;
-
 		Entry->Data.Flags = swap;
 
+		if (obj->type == PCB_OBJ_TEXT)
+			pcb_text_flagchg_post((pcb_text_t *)obj, Entry->Data.Flags.f, &txt_save);
+
 		if (pcb_undo_and_draw && must_redraw)
 			pcb_draw_obj((pcb_any_obj_t *)ptr2);
 		return pcb_true;