diff --git a/conf/config.ini b/conf/config.ini
index 48b1529..e348efd 100644
--- a/conf/config.ini
+++ b/conf/config.ini
@@ -14,16 +14,16 @@ hash_seed            =
 [database]
 type     = mysql
 filename = 
-username = __DBUSER__
-password = __DBPWD__
-database = __DBNAME__
+username = __DB_USER__
+password = __DB_PWD__
+database = __DB_NAME__
 host     = localhost
 port     = 3306
 
 [app]
 site_name         = WriteFreely
 site_description  = WriteFreely_Blogs
-host              = __DOMAIN_URL__
+host              = https://__DOMAIN____PATH_URL__
 theme             = write
 editor             = 
 disable_js        = false
@@ -34,7 +34,7 @@ wf_modesty         = false
 chorus             = false
 forest             = false
 disable_drafts     = false
-single_user       = __SINGLEUSER__
+single_user       = __SINGLE_USER__
 open_registration = true
 min_username_len  = 3
 max_blogs         = 4
diff --git a/scripts/install b/scripts/install
index 8e23900..94e78c2 100755
--- a/scripts/install
+++ b/scripts/install
@@ -129,23 +129,7 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Modifying a config file..."
 
-# setup application config
-cp "../conf/config.ini" "$final_path/config.ini"
-
-ynh_replace_string --match_string="__DBNAME__" --replace_string="$db_name" --target_file="$final_path/config.ini"
-ynh_replace_string --match_string="__DBUSER__" --replace_string="$db_name" --target_file="$final_path/config.ini"
-ynh_replace_string --match_string="__DBPWD__" --replace_string="$db_pwd" --target_file="$final_path/config.ini"
-ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/config.ini"
-ynh_replace_string --match_string="__DOMAIN_URL__" --replace_string="https://$domain" --target_file="$final_path/config.ini"
-ynh_replace_string --match_string="__SINGLEUSER__" --replace_string="$single_user" --target_file="$final_path/config.ini"
-
-#=================================================
-# STORE THE CONFIG FILE CHECKSUM
-#=================================================
-ynh_script_progression --message="Storing the config file checksum..."
-
-# Calculate and store the config file checksum into the app settings
-ynh_store_file_checksum --file="$final_path/config.ini"
+ynh_add_config --template="../conf/config.ini" --destination="$final_path/config.ini"
 
 #=================================================
 # MAKE SETUP
diff --git a/scripts/upgrade b/scripts/upgrade
index 5467c58..01a493b 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,7 +24,10 @@ admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+db_user=$db_name
+db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
 port=$(ynh_app_setting_get --app=$app --key=port)
+single_user=$(ynh_app_setting_get --app=$app --key=single_user)
 
 architecture=$(ynh_detect_arch)
 
@@ -52,7 +55,6 @@ ynh_app_setting_delete --app=$app --key=private
 ynh_app_setting_delete --app=$app --key=local_timeline
 
 # Close a port
-
 if yunohost firewall list | grep -q "\- $port$"
 then
 	echo "Close port $port" >&2
@@ -142,14 +144,11 @@ ynh_script_progression --message="Upgrading systemd configuration..."
 ynh_add_systemd_config
 
 #=================================================
-# STORE THE CONFIG FILE CHECKSUM
+# MODIFY A CONFIG FILE
 #=================================================
-ynh_script_progression --message="Storing the config file checksum..."
+ynh_script_progression --message="Modifying a config file..."
 
-ynh_backup_if_checksum_is_different --file="$final_path/config.ini"
-
-# Recalculate and store the checksum of the file for the next upgrade.
-ynh_store_file_checksum --file="$final_path/config.ini"
+ynh_add_config --template="../conf/config.ini" --destination="$final_path/config.ini"
 
 #=================================================
 # GENERIC FINALIZATION