diff --git a/codex-rs/tui/src/chatwidget.rs b/codex-rs/tui/src/chatwidget.rs
index c24d5dfcec..e60e6253e5 100644
--- a/codex-rs/tui/src/chatwidget.rs
+++ b/codex-rs/tui/src/chatwidget.rs
@@ -860,6 +860,7 @@ fn request_permissions_from_params(
         reason: params.reason,
         permissions: params.permissions.into(),
         cwd: Some(params.cwd),
+        workspace_mutation: params.workspace_mutation.map(Into::into),
     }
 }