diff --git a/graphics/py-wand/Makefile b/graphics/py-wand/Makefile
index 84ae2963cfa4..b856bd0a623b 100644
--- a/graphics/py-wand/Makefile
+++ b/graphics/py-wand/Makefile
@@ -1,42 +1,42 @@
 PORTNAME=	Wand
 PORTVERSION=	0.6.7
 PORTREVISION=	1
 CATEGORIES=	graphics python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Ctypes-based simple MagickWand API binding for Python
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 OPTIONS_DEFINE=	X11
 OPTIONS_SINGLE=	IMAGEMAGICK
 OPTIONS_SINGLE_IMAGEMAGICK=	IMAGEMAGICK6 IMAGEMAGICK7
 OPTIONS_DEFAULT=IMAGEMAGICK7 X11
 IMAGEMAGICK6_DESC=	Use ImageMagick 6.x (graphics/ImageMagick6*)
 IMAGEMAGICK7_DESC=	Use ImageMagick 7.x (graphics/ImageMagick7*)
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MX11}
 .if ${PORT_OPTIONS:MIMAGEMAGICK7}
-USES=		magick:7
+USES+=		magick:7
 .else
-USES=		magick:6
+USES+=		magick:6
 .endif
 .else
 .if ${PORT_OPTIONS:MIMAGEMAGICK7}
-USES=		magick:7,nox11
+USES+=		magick:7,nox11
 .else
-USES=		magick:6,nox11
+USES+=		magick:6,nox11
 .endif
 .endif
 
 .include <bsd.port.mk>