diff --git a/contrib/sendmail/mail.local/mail.local.c b/contrib/sendmail/mail.local/mail.local.c
index cd13f443fe06..cc5911c9bcfb 100644
--- a/contrib/sendmail/mail.local/mail.local.c
+++ b/contrib/sendmail/mail.local/mail.local.c
@@ -186,7 +186,7 @@ main(argc, argv)
 			break;
 
 		  case 'B':
-			nobiff = TRUE;
+			nobiff = true;
 			break;
 
 		  case 'b':		/* bounce mail when over quota. */