diff --git a/libs/esl/ruby/Makefile b/libs/esl/ruby/Makefile
index ef7cbacc80..e6ce4731f3 100644
--- a/libs/esl/ruby/Makefile
+++ b/libs/esl/ruby/Makefile
@@ -1,7 +1,7 @@
 RUBY:=ruby
 LOCAL_LDFLAGS=$(shell $(RUBY) -rrbconfig -e 'puts RbConfig::CONFIG["LIBRUBYARG"]')
 LOCAL_CFLAGS=$(shell $(RUBY) cflags.rb)
-RUBY_GEM_DIR=$(shell $(RUBY) -e 'puts Gem.dir')
+RUBY_GEM_DIR=$(shell $(RUBY) -e 'puts RbConfig::CONFIG["rubylibdir"]')
 
 all: ESL.so
 
diff --git a/libs/esl/ruby/single_command.rb b/libs/esl/ruby/single_command.rb
index 783152c390..7bb5112035 100644
--- a/libs/esl/ruby/single_command.rb
+++ b/libs/esl/ruby/single_command.rb
@@ -1,5 +1,5 @@
 #! /usr/bin/ruby
-require_relative './ESL' 
+require 'ESL' 
 
 HOST     = '127.0.0.1'.to_s 
 PORT     = '8021'.to_s