diff --git a/install_sync_fgu.rb b/install_sync_fgu.rb
index 1f264ba..6815478 100644
--- a/install_sync_fgu.rb
+++ b/install_sync_fgu.rb
@@ -46,7 +46,7 @@ a.each do |d|
 		templates = Dir.glob('app/templates/*/')
 		plugins.each do |plugin, git_url|
 			puts "copy modules: #{plugin}"
-			x = `bundle show #{plugin}`.strip
+			x = Bundler.with_clean_env {`bundle show #{plugin}`.strip}
 			if x.present?
 				templates.each do |template|
 					`cp -rf #{x}/modules/* #{full_dir}/#{template}modules/.`