diff --git a/govtool/frontend/src/components/organisms/CreateGovernanceActionSteps/StorageInformation.tsx b/govtool/frontend/src/components/organisms/CreateGovernanceActionSteps/StorageInformation.tsx
index 3e878116f..d12b535cd 100644
--- a/govtool/frontend/src/components/organisms/CreateGovernanceActionSteps/StorageInformation.tsx
+++ b/govtool/frontend/src/components/organisms/CreateGovernanceActionSteps/StorageInformation.tsx
@@ -11,7 +11,12 @@ import {
 } from "@hooks";
 import { Step } from "@molecules";
 import { BgCard, ControlledField } from "@organisms";
-import { URL_REGEX, ellipsizeText, openInNewTab } from "@utils";
+import {
+  URL_REGEX,
+  ellipsizeText,
+  isValidURLLength,
+  openInNewTab,
+} from "@utils";
 
 type StorageInformationProps = {
   setStep: Dispatch<SetStateAction<number>>;
@@ -131,6 +136,7 @@ export const StorageInformation = ({ setStep }: StorageInformationProps) => {
                   value: URL_REGEX,
                   message: t("createGovernanceAction.fields.validations.url"),
                 },
+                validate: isValidURLLength,
               }}
             />
           }
diff --git a/govtool/frontend/src/consts/dRepActions/fields.ts b/govtool/frontend/src/consts/dRepActions/fields.ts
index 155ac6b87..90d9efec4 100644
--- a/govtool/frontend/src/consts/dRepActions/fields.ts
+++ b/govtool/frontend/src/consts/dRepActions/fields.ts
@@ -1,5 +1,10 @@
 import i18n from "@/i18n";
-import { EMAIL_REGEX, NICKNAME_REGEX, URL_REGEX } from "@/utils";
+import {
+  EMAIL_REGEX,
+  NICKNAME_REGEX,
+  URL_REGEX,
+  isValidURLLength,
+} from "@/utils";
 
 export const Rules = {
   BIO: {
@@ -47,5 +52,6 @@ export const Rules = {
       value: URL_REGEX,
       message: i18n.t("registration.fields.validations.url"),
     },
+    validate: isValidURLLength,
   },
 };
diff --git a/govtool/frontend/src/i18n/locales/en.ts b/govtool/frontend/src/i18n/locales/en.ts
index 9570596a5..dd02c9b16 100644
--- a/govtool/frontend/src/i18n/locales/en.ts
+++ b/govtool/frontend/src/i18n/locales/en.ts
@@ -376,6 +376,7 @@ export const en = {
         hashInvalidFormat: "Invalid hash format",
         hashInvalidLength: "Hash must be exactly 64 characters long",
         urlTooLong: "Url must be less than 65 characters",
+        tooLongUrl: "Url must be less than 128 bytes",
         urlInvalidFormat: "Invalid URL format",
       },
       registerAsDRep: {
diff --git a/govtool/frontend/src/utils/isValidFormat.ts b/govtool/frontend/src/utils/isValidFormat.ts
index be9e65822..422c53bb6 100644
--- a/govtool/frontend/src/utils/isValidFormat.ts
+++ b/govtool/frontend/src/utils/isValidFormat.ts
@@ -1,3 +1,5 @@
+import i18n from "@/i18n";
+
 export const URL_REGEX =
   /^(?:(?:https?:\/\/)?(?:\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|(?:[a-zA-Z0-9-]+\.)+[a-zA-Z]{2,})(?:\/[^\s]*)?)|(?:ipfs:\/\/[a-f0-9]+(?:\/[a-zA-Z0-9_]+)*)$|^$/;
 export const HASH_REGEX = /^[0-9A-Fa-f]+$/;
@@ -13,3 +15,14 @@ export function isValidHashFormat(str: string) {
   if (!str.length) return false;
   return HASH_REGEX.test(str);
 }
+
+export function isValidURLLength(s: string) {
+  if (s.length > 128) {
+    return i18n.t("forms.errors.tooLongUrl");
+  }
+
+  const encoder = new TextEncoder();
+  const byteLength = encoder.encode(s).length;
+
+  return byteLength <= 128 ? true : i18n.t("forms.errors.tooLongUrl");
+}