diff --git a/backend/src/server/routes/v1/identity-kubernetes-auth-router.ts b/backend/src/server/routes/v1/identity-kubernetes-auth-router.ts
index 80aa0960e..d9ef62087 100644
--- a/backend/src/server/routes/v1/identity-kubernetes-auth-router.ts
+++ b/backend/src/server/routes/v1/identity-kubernetes-auth-router.ts
@@ -104,7 +104,6 @@ export const registerIdentityKubernetesRouter = async (server: FastifyZodProvide
         .object({
           kubernetesHost: z
             .string()
-            .url()
             .trim()
             .min(1)
             .describe(KUBERNETES_AUTH.ATTACH.kubernetesHost)
@@ -224,7 +223,6 @@ export const registerIdentityKubernetesRouter = async (server: FastifyZodProvide
         .object({
           kubernetesHost: z
             .string()
-            .url()
             .trim()
             .min(1)
             .optional()
diff --git a/backend/src/services/identity-kubernetes-auth/identity-kubernetes-auth-service.ts b/backend/src/services/identity-kubernetes-auth/identity-kubernetes-auth-service.ts
index d0af70ca2..3314d8cab 100644
--- a/backend/src/services/identity-kubernetes-auth/identity-kubernetes-auth-service.ts
+++ b/backend/src/services/identity-kubernetes-auth/identity-kubernetes-auth-service.ts
@@ -189,10 +189,10 @@ export const identityKubernetesAuthServiceFactory = ({
     let { kubernetesHost } = identityKubernetesAuth;
 
     if (kubernetesHost.startsWith("https://") || kubernetesHost.startsWith("http://")) {
-      kubernetesHost = kubernetesHost.replace(new RE2("^https?:\\/\\/"), "");
+      kubernetesHost = new RE2("^https?:\\/\\/").replace(kubernetesHost, "");
     }
 
-    const [k8sHost, k8sPort] = kubernetesHost.split(":") ?? [];
+    const [k8sHost, k8sPort] = kubernetesHost.split(":");
 
     const data = identityKubernetesAuth.gatewayId
       ? await $gatewayProxyWrapper(