diff --git a/admin/mail_invalide.py b/admin/mail_invalide.py
index a5c138ad..4b5f81e6 100755
--- a/admin/mail_invalide.py
+++ b/admin/mail_invalide.py
@@ -11,7 +11,7 @@ os.chdir("/usr/scripts/admin/")
 
 headers = "mail_invalide_debut.tex"
 texsrc  = "mail_invalide_texte.tex"
-pdf = time.strftime("mail_invalide-%d-%m-%Y.pdf",time.localtime(time.time()))
+pdf = time.strftime("mail_invalide-%d-%m-%Y_%Hh%M.pdf",time.localtime(time.time()))
 
 # Fichiers temporaires à supprimer à la fin
 mailtex = "mailtmp.tex"