diff --git a/packages/shared/src/schemas/cluster.ts b/packages/shared/src/schemas/cluster.ts
index bac22d02c0..ee066977d3 100644
--- a/packages/shared/src/schemas/cluster.ts
+++ b/packages/shared/src/schemas/cluster.ts
@@ -8,7 +8,8 @@ export const CleanedClusterSchema = z.object({
     .uuid(),
   label: z.string()
     .regex(/^[a-z0-9-]+$/i)
-    .max(50),
+    .max(50)
+    .transform(value => value.toLowerCase()),
   infos: z.string()
     .max(1000)
     .optional()