diff --git a/sysutils/symon/Makefile b/sysutils/symon/Makefile
index 90e31c342526..64b32217f970 100644
--- a/sysutils/symon/Makefile
+++ b/sysutils/symon/Makefile
@@ -16,7 +16,6 @@ MASTER_SITE_SUBDIR=	uqs
 MAINTAINER=	uqs@FreeBSD.org
 COMMENT=	Performance and information monitoring tool
 
-WRKSRC=		${WRKDIR}/${PORTNAME}
 SUB_FILES=	pkg-message
 
 USE_PERL5_BUILD=	yes
@@ -57,6 +56,9 @@ MAKE_ARGS+=	SUBDIR="${SUBDIR}" RRDDIR="${LOCALBASE}"
 
 .include <bsd.port.pre.mk>
 
+post-extract:
+	@${MV} ${WRKDIR}/${PORTNAME} ${WRKSRC}
+
 .if ${OSVERSION} < 700000
 post-patch:
 	@${REINPLACE_CMD} 's/^LIBS+=/LIBS= -pthread /' ${WRKSRC}/symux/Makefile