diff --git a/files/Install-Mastodon-Phase4.sh b/files/Install-Mastodon-Phase4.sh
index 6ef6273..c313aef 100644
--- a/files/Install-Mastodon-Phase4.sh
+++ b/files/Install-Mastodon-Phase4.sh
@@ -1,8 +1,9 @@
 #!/bin/bash
-
+set -x
 # Let's install ruby 2.5.0
 echo Phase 4: Installation de Ruby
-git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build || exit 301
+rm -rf ~/.rbenv 2>/dev/null;git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build || exit 301
+pwd
 cd ~/.rbenv || exit 302
 cd ~/.rbenv && rbenv install 2.5.0 || exit 303
 cd ~/.rbenv && rbenv global 2.5.0 || exit 304