diff --git a/src/vim9.h b/src/vim9.h
index 65de618..54938fe 100644
--- a/src/vim9.h
+++ b/src/vim9.h
@@ -780,6 +780,7 @@
     dest_vimvar,
     dest_class_member,
     dest_script,
+    dest_script_v9,
     dest_reg,
     dest_expr,
 } assign_dest_T;