diff --git a/files/Install-Mastodon-Phase4.sh b/files/Install-Mastodon-Phase4.sh
index 6fc4c64..957fbf6 100644
--- a/files/Install-Mastodon-Phase4.sh
+++ b/files/Install-Mastodon-Phase4.sh
@@ -2,12 +2,11 @@
 set -x
 # Let's install ruby 2.5.0
 echo Phase 4: Installation de Ruby
-echo $HOME
+rm -rf $HOME/.rbenv/plugins/ruby-build 2>/dev/null
 git clone https://github.com/rbenv/ruby-build.git $HOME/.rbenv/plugins/ruby-build || exit 301
-pwd
 cd $HOME/.rbenv || exit 302
-cd $HOME/.rbenv && rbenv install 2.5.0 || exit 303
-cd $HOME/.rbenv && rbenv global 2.5.0 || exit 304
+rbenv install 2.5.0 || exit 303
+rbenv global 2.5.0 || exit 304
 ruby -v
 
 cd