diff --git a/src/createRequest.js b/src/createRequest.js
index d4a605b..4f4bbc9 100644
--- a/src/createRequest.js
+++ b/src/createRequest.js
@@ -8,6 +8,7 @@
     EthereumPrivateKeySignatureProvider,
   } = require("@requestnetwork/epk-signature");
   const { config } = require("dotenv");
+  const { Wallet } = require("ethers");
 
   // Load environment variables from .env file
   config();
@@ -25,7 +26,7 @@
   });
 
   // In this example, the payee is also the payer and payment recipient.
-  const payeeIdentity = "0x7eB023BFbAeE228de6DC5B92D0BeEB1eDb1Fd567";
+  const payeeIdentity = new Wallet(process.env.PAYEE_PRIVATE_KEY).address;
   const payerIdentity = payeeIdentity;
   const paymentRecipient = payeeIdentity;
   const feeRecipient = "0x0000000000000000000000000000000000000000";
diff --git a/src/payRequest.js b/src/payRequest.js
index fd3a792..bf58abc 100644
--- a/src/payRequest.js
+++ b/src/payRequest.js
@@ -15,6 +15,7 @@
   } = require("@requestnetwork/payment-processor");
   const { providers, Wallet } = require("ethers");
   const { config } = require("dotenv");
+  const { Wallet } = require("ethers");
 
   // Load environment variables from .env file
   config();
@@ -31,7 +32,7 @@
     signatureProvider: epkSignatureProvider,
   });
 
-  const payeeIdentity = "0x7eB023BFbAeE228de6DC5B92D0BeEB1eDb1Fd567";
+  const payeeIdentity = new Wallet(process.env.PAYEE_PRIVATE_KEY).address;
   const payerIdentity = payeeIdentity;
   const paymentRecipient = payeeIdentity;
   const feeRecipient = "0x0000000000000000000000000000000000000000";