diff --git a/databases/postgresql-plv8js/Makefile b/databases/postgresql-plv8js/Makefile
index 7aed9df5efdf..2e4228c2ff55 100644
--- a/databases/postgresql-plv8js/Makefile
+++ b/databases/postgresql-plv8js/Makefile
@@ -15,7 +15,7 @@ LICENSE=	PostgreSQL
 
 LIB_DEPENDS+=	libv8.so:${PORTSDIR}/lang/v8
 
-WANT_PGSQL_VER=	9.1+
+WANT_PGSQL_VER?=	9.1+
 USES=		gmake perl5 zip pgsql:${WANT_PGSQL_VER}
 USE_PERL5=	build
 PLIST_SUB+=	PORTVERSION="${PORTVERSION}"