1 files changed, 4 insertions, 2 deletions
diff --git a/src/doc.h b/src/doc.h
index 4ecfd21..3218a70 100644
--- a/src/doc.h
+++ b/src/doc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012-2025 Robin Haberkorn
+ * Copyright (C) 2012-2026 Robin Haberkorn
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -33,6 +33,8 @@
  */
 typedef struct teco_doc_scintilla_t teco_doc_scintilla_t;
 
+TECO_DECLARE_UNDO_OBJECT(doc_scintilla, teco_doc_scintilla_t *);
+
 /**
  * A Scintilla document.
  *
@@ -108,7 +110,7 @@ void teco_doc_exchange(teco_doc_t *ctx, teco_doc_t *other);
 static inline void
 teco_doc_undo_exchange(teco_doc_t *ctx)
 {
-	teco_undo_ptr(ctx->doc);
+	teco_undo_object_doc_scintilla_push(&ctx->doc);
 	teco_doc_undo_reset(ctx);
 }