diff --git a/src/lib/server/services/tenant-admin-service.ts b/src/lib/server/services/tenant-admin-service.ts
index b93aa7b..70adc5e 100644
--- a/src/lib/server/services/tenant-admin-service.ts
+++ b/src/lib/server/services/tenant-admin-service.ts
@@ -70,7 +70,7 @@ export class TenantAdminService {
 
 		const configuration = TenantAdminService.getConfigDefaults();
 
-		const urlParts = env.DATABASE_URL.split("/");
+		const urlParts = env.DATABASE_URL?.split("/") ?? [];
 		urlParts.pop();
 
 		const newTenant: InsertTenant = { ...request, longName: "", databaseUrl: "" };