diff --git a/src/handlers/generate-erc20-permit.ts b/src/handlers/generate-erc20-permit.ts
index 9fd496e..e45d30a 100644
--- a/src/handlers/generate-erc20-permit.ts
+++ b/src/handlers/generate-erc20-permit.ts
@@ -9,7 +9,7 @@ export interface Payload {
   evmNetworkId: number;
   evmPrivateEncrypted: string;
   walletAddress: string;
-  issueId: number;
+  issueNodeId: string;
   logger: Logger;
   userId: number;
 }
@@ -25,17 +25,17 @@ export async function generateErc20PermitSignature(
   let _logger: Logger;
   const _username = username;
   let _walletAddress: string | null | undefined;
-  let _issueId: number;
+  let _issueNodeId: string;
   let _evmNetworkId: number;
   let _evmPrivateEncrypted: string;
   let _userId: number;
 
-  if ("issueId" in contextOrPayload) {
+  if ("issueNodeId" in contextOrPayload) {
     _logger = contextOrPayload.logger as Logger;
     _walletAddress = contextOrPayload.walletAddress;
     _evmNetworkId = contextOrPayload.evmNetworkId;
     _evmPrivateEncrypted = contextOrPayload.evmPrivateEncrypted;
-    _issueId = contextOrPayload.issueId;
+    _issueNodeId = contextOrPayload.issueNodeId;
     _userId = contextOrPayload.userId;
   } else {
     const config = contextOrPayload.config;
@@ -51,9 +51,9 @@ export async function generateErc20PermitSignature(
     _evmNetworkId = evmNetworkId;
     _evmPrivateEncrypted = evmPrivateEncrypted;
     if ("issue" in contextOrPayload.payload) {
-      _issueId = contextOrPayload.payload.issue.id;
+      _issueNodeId = contextOrPayload.payload.issue.node_id;
     } else if ("pull_request" in contextOrPayload.payload) {
-      _issueId = contextOrPayload.payload.pull_request.id;
+      _issueNodeId = contextOrPayload.payload.pull_request.node_id;
     } else {
       throw new Error("Issue Id is missing");
     }
@@ -108,7 +108,7 @@ export async function generateErc20PermitSignature(
       amount: parseUnits(amount.toString(), tokenDecimals),
     },
     spender: _walletAddress,
-    nonce: BigInt(keccak256(toUtf8Bytes(`${_userId}-${_issueId}`))),
+    nonce: BigInt(keccak256(toUtf8Bytes(`${_userId}-${_issueNodeId}`))),
     deadline: MaxInt256,
   };
 
diff --git a/src/handlers/generate-erc721-permit.ts b/src/handlers/generate-erc721-permit.ts
index d383c5b..745a4a5 100644
--- a/src/handlers/generate-erc721-permit.ts
+++ b/src/handlers/generate-erc721-permit.ts
@@ -32,7 +32,7 @@ export interface PermitPayload {
   nftContractAddress: string;
   walletAddress: string;
   logger: Logger;
-  issueId: string;
+  issueNodeId: string;
   organizationName: string;
   repositoryName: string;
   userId: number;
@@ -51,7 +51,7 @@ export async function generateErc721PermitSignature(
   let _nftMinterPrivateKey: string;
   let _userId: number;
   let _walletAddress: string;
-  let _issueId: string;
+  let _issueNodeId: string;
   let _organizationName: string;
   let _repositoryName: string;
   let _username = username;
@@ -62,7 +62,7 @@ export async function generateErc721PermitSignature(
     _nftMinterPrivateKey = contextOrPermitPayload.nftMinterPrivateKey;
     _evmNetworkId = contextOrPermitPayload.evmNetworkId;
     _walletAddress = contextOrPermitPayload.walletAddress;
-    _issueId = contextOrPermitPayload.issueId;
+    _issueNodeId = contextOrPermitPayload.issueNodeId;
     _organizationName = contextOrPermitPayload.organizationName;
     _repositoryName = contextOrPermitPayload.repositoryName;
     _userId = contextOrPermitPayload.userId;
@@ -76,7 +76,7 @@ export async function generateErc721PermitSignature(
     _nftMinterPrivateKey = NFT_MINTER_PRIVATE_KEY;
     _username = username;
     if (isIssueEvent(contextOrPermitPayload)) {
-      _issueId = contextOrPermitPayload.payload.issue.id.toString();
+      _issueNodeId = contextOrPermitPayload.payload.issue.node_id;
     } else {
       throw new Error("Issue Id is missing.");
     }
@@ -120,7 +120,7 @@ export async function generateErc721PermitSignature(
   const erc721Metadata = {
     GITHUB_ORGANIZATION_NAME: _organizationName,
     GITHUB_REPOSITORY_NAME: _repositoryName,
-    GITHUB_ISSUE_ID: _issueId,
+    GITHUB_ISSUE_NODE_ID: _issueNodeId,
     GITHUB_USERNAME: _username,
     GITHUB_CONTRIBUTION_TYPE: contributionType,
   };
@@ -130,7 +130,7 @@ export async function generateErc721PermitSignature(
     beneficiary: _walletAddress,
     deadline: MaxUint256.toBigInt(),
     keys: metadata.map(([key]) => keccak256(toUtf8Bytes(key))),
-    nonce: BigInt(keccak256(toUtf8Bytes(`${_userId}-${_issueId}`))),
+    nonce: BigInt(keccak256(toUtf8Bytes(`${_userId}-${_issueNodeId}`))),
     values: metadata.map(([, value]) => value),
   };
 
diff --git a/src/handlers/permit-type.ts b/src/handlers/permit-type.ts
index 7ac4300..de79aac 100644
--- a/src/handlers/permit-type.ts
+++ b/src/handlers/permit-type.ts
@@ -54,7 +54,7 @@ const erc721PermitT = T.Object({
   nftMetadata: T.Object({
     GITHUB_ORGANIZATION_NAME: T.String(),
     GITHUB_REPOSITORY_NAME: T.String(),
-    GITHUB_ISSUE_ID: T.String(),
+    GITHUB_ISSUE_NODE_ID: T.String(),
     GITHUB_USERNAME: T.String(),
     GITHUB_CONTRIBUTION_TYPE: T.String(),
   }),
diff --git a/src/types/permits.ts b/src/types/permits.ts
index 708d29c..3300bd1 100644
--- a/src/types/permits.ts
+++ b/src/types/permits.ts
@@ -31,7 +31,7 @@ interface Erc721PermitReward extends CommonFields {
     metadata: {
       GITHUB_ORGANIZATION_NAME: string;
       GITHUB_REPOSITORY_NAME: string;
-      GITHUB_ISSUE_ID: string;
+      GITHUB_ISSUE_NODE_ID: string;
       GITHUB_USERNAME: string;
       GITHUB_CONTRIBUTION_TYPE: string;
     };
diff --git a/tests/constants.ts b/tests/constants.ts
index a2d7486..42fde22 100644
--- a/tests/constants.ts
+++ b/tests/constants.ts
@@ -23,6 +23,7 @@ export const mockContext = {
     issue: {
       number: 123,
       id: 123,
+      node_id: "123",
     },
     pull_request: {
       number: 123,
diff --git a/tests/encode-decode.test.ts b/tests/encode-decode.test.ts
index f16010e..003ca12 100644
--- a/tests/encode-decode.test.ts
+++ b/tests/encode-decode.test.ts
@@ -29,7 +29,7 @@ describe("Encoding / Decoding tests", () => {
         metadata: {
           GITHUB_ORGANIZATION_NAME: "",
           GITHUB_REPOSITORY_NAME: "",
-          GITHUB_ISSUE_ID: "",
+          GITHUB_ISSUE_NODE_ID: "",
           GITHUB_USERNAME: "",
           GITHUB_CONTRIBUTION_TYPE: "",
         },
diff --git a/tests/generate-erc721-permit.test.ts b/tests/generate-erc721-permit.test.ts
index ce0011d..847709c 100644
--- a/tests/generate-erc721-permit.test.ts
+++ b/tests/generate-erc721-permit.test.ts
@@ -90,7 +90,7 @@ describe("generateErc721PermitSignature", () => {
     const organizationName = "test";
     const repositoryName = "test";
     const issueNumber = issueId.toString();
-    const keys = ["GITHUB_ORGANIZATION_NAME", "GITHUB_REPOSITORY_NAME", "GITHUB_ISSUE_ID", "GITHUB_USERNAME", "GITHUB_CONTRIBUTION_TYPE"];
+    const keys = ["GITHUB_ORGANIZATION_NAME", "GITHUB_REPOSITORY_NAME", "GITHUB_ISSUE_NODE_ID", "GITHUB_USERNAME", "GITHUB_CONTRIBUTION_TYPE"];
 
     if (result && typeof result === "object") {
       expect(result).toBeDefined();