--- a/make-rules/install.rb.mk	Thu Sep 19 20:39:13 2013 -0700
+++ b/make-rules/install.rb.mk	Tue Sep 24 09:10:24 2013 -0700
@@ -38,6 +38,7 @@
 	$(COMPONENT_PRE_INSTALL_ACTION)
 	(cd $(SOURCE_DIR) ; $(ENV) $(COMPONENT_INSTALL_ENV) \
                 ./install.rb --destdir=$(PROTO_DIR) \
+                --ruby=$(RUBY) \
                 --bindir=$(INSTALL_RB_BINDIR) \
                 --sitelibdir=$(VENDOR_RUBY) \
                 --mandir=$(USRSHAREMANDIR))