diff --git a/src/app/[orgId]/settings/resources/proxy/[niceId]/general/page.tsx b/src/app/[orgId]/settings/resources/proxy/[niceId]/general/page.tsx
index e1c5b6ac2..62a6b9fed 100644
--- a/src/app/[orgId]/settings/resources/proxy/[niceId]/general/page.tsx
+++ b/src/app/[orgId]/settings/resources/proxy/[niceId]/general/page.tsx
@@ -29,6 +29,7 @@ import { Label } from "@app/components/ui/label";
 import { useEnvContext } from "@app/hooks/useEnvContext";
 import { toast } from "@app/hooks/useToast";
 import { createApiClient, formatAxiosError } from "@app/lib/api";
+import { finalizeSubdomainSanitize } from "@app/lib/subdomain-utils";
 import { UpdateResourceResponse } from "@server/routers/resource";
 import { AxiosResponse } from "axios";
 import { AlertCircle } from "lucide-react";
@@ -506,7 +507,7 @@ export default function GeneralForm() {
                     name: data.name,
                     niceId: data.niceId,
                     subdomain: data.subdomain
-                        ? toASCII(data.subdomain)
+                        ? toASCII(finalizeSubdomainSanitize(data.subdomain, true))
                         : undefined,
                     domainId: data.domainId,
                     proxyPort: data.proxyPort
diff --git a/src/app/[orgId]/settings/resources/proxy/create/page.tsx b/src/app/[orgId]/settings/resources/proxy/create/page.tsx
index a2cf36de6..98151cc36 100644
--- a/src/app/[orgId]/settings/resources/proxy/create/page.tsx
+++ b/src/app/[orgId]/settings/resources/proxy/create/page.tsx
@@ -488,7 +488,7 @@ export default function Page() {
                 const httpData = httpForm.getValues();
 
                 sanitizedSubdomain = httpData.subdomain
-                    ? finalizeSubdomainSanitize(httpData.subdomain)
+                    ? finalizeSubdomainSanitize(httpData.subdomain, true)
                     : undefined;
 
                 Object.assign(payload, {