diff --git a/test/scenarioTest/accountKeyMultiSig.js b/test/scenarioTest/accountKeyMultiSig.js
index dfe35c45..8dbf0d98 100644
--- a/test/scenarioTest/accountKeyMultiSig.js
+++ b/test/scenarioTest/accountKeyMultiSig.js
@@ -598,7 +598,7 @@ describe('Scenario test with AccountWithAccountKeyMultiSig', () => {
 
 			const expectedError = 'invalid transaction v, r, s values of the sender'
 			try {
-				await caver.klay.sendSignedTransaction(feePayerSigned)
+				await caver.klay.sendSignedTransaction(senderSigned)
 			} catch (e) { expect(e.message).to.include(expectedError) }
 		}).timeout(200000)
 	})
diff --git a/test/scenarioTest/accountKeyRoleBased.js b/test/scenarioTest/accountKeyRoleBased.js
index 18231c0d..70c02a89 100644
--- a/test/scenarioTest/accountKeyRoleBased.js
+++ b/test/scenarioTest/accountKeyRoleBased.js
@@ -610,14 +610,14 @@ describe('Scenario test with AccountWithAccountKeyRoleBased', () => {
 			let expectedError = 'invalid transaction v, r, s values of the sender'
 
 			try {
-				await caver.klay.sendSignedTransaction(feePayerSigned)
+				await caver.klay.sendSignedTransaction(senderSigned)
 			} catch (e) { expect(e.message).to.include(expectedError) }
 
 			// insufficient weight
 			senderSigned = await caver.klay.accounts.signTransaction(txObject, account.transactionKey[0])
 
 			try {
-				await caver.klay.sendSignedTransaction(feePayerSigned)
+				await caver.klay.sendSignedTransaction(senderSigned)
 			} catch (e) { expect(e.message).to.include(expectedError) }
 
 			txObject = {
@@ -630,14 +630,14 @@ describe('Scenario test with AccountWithAccountKeyRoleBased', () => {
 			senderSigned = await caver.klay.accounts.signTransaction(txObject, account.transactionKey)
 
 			try {
-				await caver.klay.sendSignedTransaction(feePayerSigned)
+				await caver.klay.sendSignedTransaction(senderSigned)
 			} catch (e) { expect(e.message).to.include(expectedError) }
 
 			// insufficient weight
 			senderSigned = await caver.klay.accounts.signTransaction(txObject, account.updateKey[0])
 
 			try {
-				await caver.klay.sendSignedTransaction(feePayerSigned)
+				await caver.klay.sendSignedTransaction(senderSigned)
 			} catch (e) { expect(e.message).to.include(expectedError) }
 
 			txObject = {