diff --git a/package-lock.json b/package-lock.json
index df8f5ef..7ee2598 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.21.0-rc6",
+  "version": "0.21.0-rc8",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@orionprotocol/sdk",
-      "version": "0.21.0-rc6",
+      "version": "0.21.0-rc8",
       "hasInstallScript": true,
       "license": "ISC",
       "dependencies": {
diff --git a/package.json b/package.json
index 52b5d64..9b775f9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.21.0-rc7",
+  "version": "0.21.0-rc8",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
diff --git a/src/crypt/signOrder.ts b/src/crypt/signOrder.ts
index 4cb7c95..907c3b5 100644
--- a/src/crypt/signOrder.ts
+++ b/src/crypt/signOrder.ts
@@ -44,7 +44,7 @@ export const signOrder = async ({
   const secret = generateSecret();
   const secretHash = ethers.keccak256(secret);
 
-  const isCrossChain = targetChainId === undefined || targetChainId === chainId;
+  const isCrossChain = targetChainId === undefined || targetChainId !== chainId;
 
   const order: Order | CrossOrder = {
     senderAddress,