diff --git a/graphics/ssocr/Makefile b/graphics/ssocr/Makefile
index 0e64c9650f44..7dbe68c9ce7d 100644
--- a/graphics/ssocr/Makefile
+++ b/graphics/ssocr/Makefile
@@ -1,26 +1,26 @@
 PORTNAME=	ssocr
 PORTVERSION=	2.23.1
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	graphics
 MASTER_SITES=	http://www.unix-ag.uni-kl.de/~auerswal/ssocr/ \
 		LOCAL/ehaupt
 
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	CLI to recognize digits of a seven segment display
 WWW=		https://www.unix-ag.uni-kl.de/~auerswal/ssocr/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libImlib2.so:graphics/imlib2
 
-USES=		gmake tar:bzip2
+USES=		gmake pkgconfig tar:bzip2
 
 PLIST_FILES=	bin/ssocr \
 		share/man/man1/ssocr.1.gz
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/${PORTNAME}.1 ${STAGEDIR}${PREFIX}/share/man/man1
 
 .include <bsd.port.mk>