diff --git a/src/squid-accounting/acct.pl b/src/squid-accounting/acct.pl
index e90d06ed3..681c81764 100755
--- a/src/squid-accounting/acct.pl
+++ b/src/squid-accounting/acct.pl
@@ -289,7 +289,7 @@ sub sendbill {
 		my $msg = MIME::Lite->new(
 			From	=> $mail{'SENDER'},
 			To		=> $mail{'RECIPIENT'},
-			Subject	=> "ERROR Squid Accounting",
+			Subject	=> "ERROR Proxy Accounting",
 			Type	=> 'multipart/mixed'
 		);