Index: databases/rubygem-activerecord-jdbc-adapter/Makefile
===================================================================
--- databases/rubygem-activerecord-jdbc-adapter/Makefile	(revision 487084)
+++ databases/rubygem-activerecord-jdbc-adapter/Makefile	(working copy)
@@ -15,8 +15,10 @@
 RUN_DEPENDS=	jruby:lang/jruby \
 		rubygem-activerecord5>=5.1.0:databases/rubygem-activerecord5
 
-NO_ARCH=	yes
+USES=		gem
 USE_RUBY=	yes
-USES=		gem
 
+RUBYGEMBIN=	${LOCALBASE}/bin/jgem
+NO_ARCH=	yes
+
 .include <bsd.port.mk>
Index: databases/rubygem-activerecord-jdbcmysql-adapter/Makefile
===================================================================
--- databases/rubygem-activerecord-jdbcmysql-adapter/Makefile	(revision 487084)
+++ databases/rubygem-activerecord-jdbcmysql-adapter/Makefile	(working copy)
@@ -16,8 +16,10 @@
 		rubygem-activerecord-jdbc-adapter>=${PORTVERSION}:databases/rubygem-activerecord-jdbc-adapter \
 		rubygem-jdbc-mysql>=5.1.36:databases/rubygem-jdbc-mysql
 
-NO_ARCH=	yes
+USES=		gem
 USE_RUBY=	yes
-USES=		gem
 
+RUBYGEMBIN=	${LOCALBASE}/bin/jgem
+NO_ARCH=	yes
+
 .include <bsd.port.mk>
Index: databases/rubygem-jdbc-mysql/Makefile
===================================================================
--- databases/rubygem-jdbc-mysql/Makefile	(revision 487084)
+++ databases/rubygem-jdbc-mysql/Makefile	(working copy)
@@ -14,8 +14,10 @@
 
 RUN_DEPENDS=	jruby:lang/jruby
 
-NO_ARCH=	yes
+USES=		gem
 USE_RUBY=	yes
-USES=		gem
 
+RUBYGEMBIN=	${LOCALBASE}/bin/jgem
+NO_ARCH=	yes
+
 .include <bsd.port.mk>
Index: devel/rubygem-warbler/Makefile
===================================================================
--- devel/rubygem-warbler/Makefile	(revision 487084)
+++ devel/rubygem-warbler/Makefile	(working copy)
@@ -18,10 +18,12 @@
 		rubygem-rake>=10.1.0:devel/rubygem-rake \
 		rubygem-rubyzip>=1.0:archivers/rubygem-rubyzip
 
-NO_ARCH=	yes
+USES=		gem
 USE_RUBY=	yes
-USES=		gem
 
+RUBYGEMBIN=	${LOCALBASE}/bin/jgem
+NO_ARCH=	yes
+
 PLIST_FILES=	bin/warble
 
 .include <bsd.port.mk>
Index: sysutils/puppetserver6/Makefile
===================================================================
--- sysutils/puppetserver6/Makefile	(revision 487084)
+++ sysutils/puppetserver6/Makefile	(working copy)
@@ -18,10 +18,12 @@
 		rubygem-semantic_puppet>=1:devel/rubygem-semantic_puppet
 
 USES=		shebangfix
+
 USE_RC_SUBR=	puppetserver
-
 USE_JAVA=	yes
 USE_RUBY=	yes
+
+RUBYGEMBIN=	${LOCALBASE}/bin/jgem
 NO_ARCH=	yes
 NO_BUILD=	yes
 JAVA_VERSION=	1.8+
Index: www/rubygem-jruby-rack/Makefile
===================================================================
--- www/rubygem-jruby-rack/Makefile	(revision 487084)
+++ www/rubygem-jruby-rack/Makefile	(working copy)
@@ -14,8 +14,10 @@
 
 RUN_DEPENDS=	jruby:lang/jruby
 
-NO_ARCH=	yes
+USES=		gem
 USE_RUBY=	yes
-USES=		gem
 
+RUBYGEMBIN=    ${LOCALBASE}/bin/jgem
+NO_ARCH=	yes
+
 .include <bsd.port.mk>