diff --git a/lang/kross-interpreters/Makefile b/lang/kross-interpreters/Makefile
index 28c3f2c4333d..f76476486e61 100644
--- a/lang/kross-interpreters/Makefile
+++ b/lang/kross-interpreters/Makefile
@@ -1,26 +1,26 @@
 PORTNAME=	kross-interpreters
 DISTVERSION=	${KDE_APPLICATIONS_VERSION}
 CATEGORIES=	lang kde kde-applications
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Language interpreters to enable in-process scripting with Kross
 WWW=		https://techbase.kde.org/Development/Tutorials/Kross/Introduction
 
 USES=		cmake compiler:c++11-lang gettext kde:5 qt:5 tar:xz
 USE_KDE=	kross \
 		ecm:build
 USE_QT=		core gui script widgets xml \
 		buildtools:build qmake:build
 
 CFLAGS+=	-fdeclspec
 
 OPTIONS_DEFINE=		RUBY DOCS
 OPTIONS_SUB=		yes
 OPTIONS_DEFAULT=	${OPTIONS_DEFINE}
 
 CMAKE_ON=	CMAKE_DISABLE_FIND_PACKAGE_PythonLibs
 
-RUBY_USE=		ruby
+RUBY_USES=		ruby
 RUBY_CMAKE_BOOL_OFF=	CMAKE_DISABLE_FIND_PACKAGE_Ruby
 
 .include <bsd.port.mk>