diff --git a/scripts/install b/scripts/install
index 0ec1c34..b4d93cf 100644
--- a/scripts/install
+++ b/scripts/install
@@ -97,15 +97,8 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 #=================================================
 ynh_script_progression --message="Configuring ttrss..." --weight=1
 
-cp ../conf/config.php "$final_path/config.php"
-
-# Change variables in ttrss configuration
-ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/config.php"
-ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/config.php"
-ynh_replace_string --match_string="__DOMAIN_PATH__" --replace_string="https://$domain$path_url" --target_file="$final_path/config.php"
-
-# Recalculate and store the config file checksum into the app settings
-ynh_store_file_checksum --file="$final_path/config.php"
+domain_path=$(https://$domain$path_url)
+ynh_add_config --template="../conf/config.php" --destination="$final_path/config.php"
 
 #=================================================
 # SETUP SYSTEMD
diff --git a/scripts/upgrade b/scripts/upgrade
index 9919054..0605b4c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -127,18 +127,8 @@ then
 	mv "$tmpdir" "$final_path"
 	ynh_secure_remove --file="$tmpdir"
 
-	# Verify the checksum and backup the file if it's different
-	ynh_backup_if_checksum_is_different --file="$final_path/config.php"
-
-	cp ../conf/config.php "$final_path/config.php"
-
-	# Change variables in ttrss configuration
-	ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/config.php"
-	ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/config.php"
-	ynh_replace_string --match_string="__DOMAIN_PATH__" --replace_string="https://$domain$path_url" --target_file="$final_path/config.php"
-
-	# Recalculate and store the config file checksum into the app settings
-	ynh_store_file_checksum --file="$final_path/config.php"
+	domain_path=$(https://$domain$path_url)
+	ynh_add_config --template="../conf/config.php" --destination="$final_path/config.php"
 
 	#=================================================
 	# UPGRADE DATABASE