diff --git a/contents/docs/custom-mutators.mdx b/contents/docs/custom-mutators.mdx
index 90dbed4..8d36067 100644
--- a/contents/docs/custom-mutators.mdx
+++ b/contents/docs/custom-mutators.mdx
@@ -271,7 +271,7 @@ You can get the server result of a mutation with the `server` property of a muta
 const { server } = await zero.mutate.issue.update({
   id: 'issue-123',
   title: 'New title',
-}).server;
+});
 
 if (server.error) {
   console.error('Server mutation went boom', server.error);