diff --git a/src/people/marco-castignoli.yaml b/src/people/marco-castignoli.yaml
index e1b6ede..94ed7ca 100644
--- a/src/people/marco-castignoli.yaml
+++ b/src/people/marco-castignoli.yaml
@@ -2,4 +2,4 @@ name: Marco Castignoli
 caption: Dev [Ethereum Foundation](https://ethereum.foundation/), Open Source Maintainer
 country: it
 refs:
-  twitter: https://x.com/CastignoliMarco
+  twitter: CastignoliMarco