diff --git a/src/routes/services/[id]/fider/start.json.ts b/src/routes/services/[id]/fider/start.json.ts
index 51e45ec3f..2adf53738 100644
--- a/src/routes/services/[id]/fider/start.json.ts
+++ b/src/routes/services/[id]/fider/start.json.ts
@@ -59,7 +59,7 @@ export const post: RequestHandler = async (event) => {
 			fider: {
 				image: `${image}:${version}`,
 				environmentVariables: {
-					HOST_DOMAIN: domain,
+					BASE_URL: domain,
 					DATABASE_URL: `postgresql://${postgresqlUser}:${postgresqlPassword}@${id}-postgresql:5432/${postgresqlDatabase}?sslmode=disable`,
 					JWT_SECRET: `${jwtSecret.replace(/\$/g, '$$$')}`,
 					EMAIL_NOREPLY: emailNoreply,