diff --git a/scripts/install b/scripts/install
index 5211c3e..b5d96b5 100644
--- a/scripts/install
+++ b/scripts/install
@@ -68,9 +68,11 @@ ynh_script_progression --message="Installing dependencies..." --weight=15
 
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
-tempdir="$(mktemp -d)"
-ynh_setup_source --dest_dir=$tempdir --source_id=crystal
-ynh_exec_warn_less dpkg -i $tempdir/crystal_1.0.0-1_amd64.deb
+# tempdir="$(mktemp -d)"
+# ynh_setup_source --dest_dir=$tempdir --source_id=crystal
+# ynh_exec_warn_less dpkg -i $tempdir/crystal_1.0.0-1_amd64.deb
+
+curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --channel=nightly
 
 #=================================================
 # CREATE DEDICATED USER
@@ -155,7 +157,8 @@ ynh_add_systemd_config
 ynh_script_progression --message="Setuping a cron..." --weight=1
 
 ynh_add_config --template="../conf/cron_invidious" --destination="/etc/cron.d/$app"
-chmod 644 /etc/cron.d/$app
+chown root: "/etc/cron.d/$app"
+chmod 644 "/etc/cron.d/$app"
 
 #=================================================
 # SETUP LOGROTATE
diff --git a/scripts/remove b/scripts/remove
index 8566bf5..2382b33 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -88,6 +88,7 @@ ynh_remove_logrotate
 #=================================================
 # REMOVE VARIOUS FILES
 #=================================================
+ynh_script_progression --message="Removing the cron file..." --weight=1
 
 # Remove a cron file
 ynh_secure_remove --file="/etc/cron.d/$app"
diff --git a/scripts/restore b/scripts/restore
index 2c1c5fc..25557fa 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -79,9 +79,7 @@ ynh_script_progression --message="Reinstalling dependencies..." --weight=7
 # Define and install dependencies
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
-tempdir="$(mktemp -d)"
-ynh_setup_source --dest_dir=$tempdir --source_id=crystal
-ynh_exec_warn_less dpkg -i $tempdir/crystal_1.0.0-1_amd64.deb
+curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --channel=nightly
 
 #=================================================
 # RESTORE THE POSTGRESQL DATABASE
@@ -92,13 +90,6 @@ ynh_psql_test_if_first_run
 ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
 ynh_psql_execute_file_as_root --file="./db.sql" --database=$db_name
 
-#=================================================
-# RESTORE VARIOUS FILES
-#=================================================
-ynh_script_progression --message="Restoring various files..." --weight=1
-
-ynh_restore_file --origin_path="/etc/cron.d/$app"
-
 #=================================================
 # RESTORE SYSTEMD
 #=================================================
@@ -107,6 +98,15 @@ ynh_script_progression --message="Restoring the systemd configuration..." --weig
 ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
 systemctl enable $app.service --quiet
 
+#=================================================
+# RESTORE VARIOUS FILES
+#=================================================
+ynh_script_progression --message="Restoring various files..." --weight=1
+
+ynh_restore_file --origin_path="/etc/cron.d/$app"
+chown root: "/etc/cron.d/$app"
+chmod 644 "/etc/cron.d/$app"
+
 #=================================================
 # RESTORE THE LOGROTATE CONFIGURATION
 #=================================================
@@ -128,20 +128,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action=start --log_path=systemd
 
-#=================================================
-# RESTORE VARIOUS FILES
-#=================================================
-ynh_script_progression --message="Restoring various files..." --weight=1
-
-ynh_restore_file --origin_path="/etc/cron.d/$app"
-
-#=================================================
-# RESTORE THE LOGROTATE CONFIGURATION
-#=================================================
-ynh_script_progression --message="Restoring the logrotate configuration..." --weight=1
-
-ynh_restore_file --origin_path="/etc/logrotate.d/$app"
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index bdbb1d9..6ffa7dc 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -122,9 +122,7 @@ ynh_script_progression --message="Upgrading dependencies..." --weight=8
 
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
-tempdir="$(mktemp -d)"
-ynh_setup_source --dest_dir=$tempdir --source_id=crystal
-ynh_exec_warn_less dpkg -i $tempdir/crystal_1.0.0-1_amd64.deb
+curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --channel=nightly
 
 #=================================================
 # MODIFY A CONFIG FILE
@@ -148,7 +146,8 @@ ynh_add_systemd_config
 ynh_script_progression --message="Setuping a cron..." --weight=1
 
 ynh_add_config --template="../conf/cron_invidious" --destination="/etc/cron.d/$app"
-chmod 644 /etc/cron.d/$app
+chown root: "/etc/cron.d/$app"
+chmod 644 "/etc/cron.d/$app"
 
 #=================================================
 # GENERIC FINALIZATION