diff --git a/www/unit/Makefile b/www/unit/Makefile
index a6e51b6bd0c0..2c464954c9f2 100644
--- a/www/unit/Makefile
+++ b/www/unit/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	unit
 PORTVERSION=	${UNIT_VERSION}
-PORTREVISION=	1
+PORTREVISION?=	1
 CATEGORIES=	www
 MASTER_SITES?=	https://unit.nginx.org/download/
 DISTFILES?=	${PORTNAME}-${PORTVERSION}.tar.gz