diff --git a/mailpipe b/mailpipe
index 23cfad5..72e5a87 100755
--- a/mailpipe
+++ b/mailpipe
@@ -20,7 +20,7 @@ finish() {
 		sendmail vizesportwart@tsc-vfl.de << EOF
 From: TSC Homepage Bot <tsc-homepage@server-hh>
 To: Vizesportwart <vizesportwart@tsc-vfl.de>
-Date: $(date)
+Date: $(date --rfc-email)
 Subject: Failed to parse ESV mail
 
 The parsing of the competition notification failed. Please see also the logs!