diff --git a/root-5.20.00.ebuild b/root-5.20.00.ebuild
index 35b8a1c..ff46eb4 100644
--- a/root-5.20.00.ebuild
+++ b/root-5.20.00.ebuild
@@ -93,6 +93,10 @@ src_unpack() {
 		rm -f include/root/cfortran.h
 		ln -s /usr/include/cfortran.h include/cfortran.h
 	fi
+	# take a more descriptive name
+	sed -s -i s/libRuby/ROOT/g bindings/ruby/Module.mk && \
+	sed -s -i s/libRuby/ROOT/g bindings/ruby/src/drr.cxx || \
+		die "Ajusting ruby libname failed"
 }
 
 src_compile() {
@@ -185,6 +189,7 @@ src_install() {
 	emake DESTDIR="${D}" install || die "emake install failed"
 	echo "LDPATH=/usr/$(get_libdir)/root" > 99root
 	use python && echo "PYTHONPATH=/usr/$(get_libdir)/root" >> 99root
+	use ruby   && echo "RUBYLIB=/usr/lib/root" >> 99root
 	doenvd 99root || die "doenvd failed"
 
 	if use doc; then
@@ -194,3 +199,10 @@ src_install() {
 			|| die "pdf install failed"
 	fi
 }
+
+pkg_postinst() {
+	use ruby && \
+	elog "Ruby bindings are available in the module ROOT, so you just need" && \
+	elog "   require 'ROOT'" && \
+	elog "in your code."
+}
-- 
1.6.0