diff --git a/etc/mail/Makefile b/etc/mail/Makefile
index 5fd72049c055..3f085cc2d780 100644
--- a/etc/mail/Makefile
+++ b/etc/mail/Makefile
@@ -74,7 +74,7 @@ ${SENDMAIL_MC}:
 
 .ifndef SENDMAIL_SUBMIT_MC
 SENDMAIL_SUBMIT_MC!=	hostname
-SENDMAIL_SUBMIT_MC:=	${SENDMAIL_SUBMIT_MC}.submit.mc 
+SENDMAIL_SUBMIT_MC:=	${SENDMAIL_SUBMIT_MC}.submit.mc
 
 ${SENDMAIL_SUBMIT_MC}:
 	cp freebsd.submit.mc ${SENDMAIL_SUBMIT_MC}