diff --git a/archivers/librtfcomp/Makefile b/archivers/librtfcomp/Makefile
index 82bb901f34e0..9664ae334e55 100644
--- a/archivers/librtfcomp/Makefile
+++ b/archivers/librtfcomp/Makefile
@@ -14,7 +14,7 @@ LICENSE=	LGPL21
 
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
-USES=		libtool
+USES+=		libtool
 
 SLAVEDIRS=	archivers/py-librtfcomp
 
diff --git a/archivers/py-librtfcomp/Makefile b/archivers/py-librtfcomp/Makefile
index d1a5f039d9d9..a437ed274c48 100644
--- a/archivers/py-librtfcomp/Makefile
+++ b/archivers/py-librtfcomp/Makefile
@@ -12,7 +12,7 @@ LICENSE=	LGPL21
 BUILD_DEPENDS=	${LOCALBASE}/bin/pyrexc:${PORTSDIR}/devel/pyrex
 LIB_DEPENDS=	librtfcomp.so:${PORTSDIR}/archivers/librtfcomp
 
-USE_PYTHON=	2
+USES=		python:2
 
 BUILD_WRKSRC=	${WRKSRC}/python
 INSTALL_WRKSRC=	${WRKSRC}/python