diff --git a/src/quickfix.c b/src/quickfix.c
index 414fe65..6f7d3a5 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -8011,6 +8011,10 @@
 	    abort = mark_quickfix_ctx(win->w_llist_ref, copyID);
 	    if (abort)
 		return abort;
+
+	    abort = mark_quickfix_user_data(win->w_llist_ref, copyID);
+	    if (abort)
+		return abort;
 	}
     }