diff --git a/conf/systemd.service b/conf/systemd.service
index 58e06c1..7334e8e 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -11,7 +11,7 @@ Group=__APP__
 WorkingDirectory=__FINALPATH__/live
 Environment=RAILS_ENV=production
 Environment="PORT=__PORT__"
-ExecStart=/opt/rbenv/versions/__RUBY_VERSION__/bin/bundle exec rails server
+ExecStart=__RBENV_ROOT__/versions/__APP__/bin/bundle exec rails server
 ExecReload=/bin/kill -SIGUSR1 $MAINPID
 StandardOutput=append:/var/log/__APP__/__APP__.log
 StandardError=append:/var/log/__APP__/__APP__.log
diff --git a/scripts/install b/scripts/install
index 9fccd43..80dc886 100755
--- a/scripts/install
+++ b/scripts/install
@@ -210,7 +210,7 @@ ynh_script_progression --message="Configuring a systemd service..."  --weight=4
 # Create a dedicated systemd config
 ynh_add_systemd_config --others_var="\
     port \
-    RUBY_VERSION \
+    RBENV_ROOT \
 "
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 95f9101..fa1c6c0 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -310,7 +310,7 @@ ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
 # Create a dedicated systemd config
 ynh_add_systemd_config --others_var="\
     port \
-    RUBY_VERSION \
+    RBENV_ROOT \
 "
 
 #=================================================