diff --git a/examples/cactus-example-cbdc-bridging-backend/src/fabric-contracts/cbdc-erc-20/javascript/lib/tokenERC20.js b/examples/cactus-example-cbdc-bridging-backend/src/fabric-contracts/cbdc-erc-20/javascript/lib/tokenERC20.js
index 869d3acd3b..21168b263c 100644
--- a/examples/cactus-example-cbdc-bridging-backend/src/fabric-contracts/cbdc-erc-20/javascript/lib/tokenERC20.js
+++ b/examples/cactus-example-cbdc-bridging-backend/src/fabric-contracts/cbdc-erc-20/javascript/lib/tokenERC20.js
@@ -373,7 +373,7 @@ class TokenERC20Contract extends Contract {
    * @param {Integer} amount amount of tokens to be minted
    * @returns {Object} The balance
    */
-  async Mint(ctx, amount) {
+  async Mint(ctx, amount, minter) {
     //check contract options are already set first to execute the function
     await this.CheckInitialized(ctx);
 
@@ -384,9 +384,6 @@ class TokenERC20Contract extends Contract {
       throw new Error("client is not authorized to mint new tokens");
     }
 
-    // Get ID of submitting client identity
-    const minter = ctx.clientIdentity.getID();
-
     const amountInt = parseInt(amount);
     if (amountInt <= 0) {
       throw new Error("mint amount must be a positive integer");
diff --git a/examples/cactus-example-cbdc-bridging-frontend/src/api-calls/fabric-api.js b/examples/cactus-example-cbdc-bridging-frontend/src/api-calls/fabric-api.js
index 559f0f2aef..69f84a3d84 100644
--- a/examples/cactus-example-cbdc-bridging-frontend/src/api-calls/fabric-api.js
+++ b/examples/cactus-example-cbdc-bridging-frontend/src/api-calls/fabric-api.js
@@ -27,12 +27,14 @@ export async function getFabricBalance(frontendUser) {
 }
 
 export async function mintTokensFabric(frontendUser, amount) {
+  const fabricID = getFabricId(frontendUser);
+
   const response = await axios.post(
     "http://localhost:4000/api/v1/plugins/@hyperledger/cactus-plugin-ledger-connector-fabric/run-transaction",
     {
       contractName: FABRIC_CONTRACT_CBDC_ERC20_NAME,
       channelName: FABRIC_CHANNEL_NAME,
-      params: [amount.toString()],
+      params: [amount.toString(), fabricID],
       methodName: "Mint",
       invocationType: "FabricContractInvocationType.SEND",
       signingCredential: {