diff --git a/students26.txt b/students26.txt
index 9998af76..b208a048 100644
--- a/students26.txt
+++ b/students26.txt
@@ -13,7 +13,7 @@ Arthur	Bertrand X
 Noé	Besson X
 Gauthier	Boyen X
 Emilie	Castellani X
-Rubén	Castillo Fernández
+Rubén	Castillo Fernández X
 Arnaud	Cazanave X
 Gaspard	Ceccato X
 Masson	Chacon Cabrera