diff --git a/app/mempool/senders_with_nonce.go b/app/mempool/senders_with_nonce.go
index 1e3e74e221..360580f2b5 100644
--- a/app/mempool/senders_with_nonce.go
+++ b/app/mempool/senders_with_nonce.go
@@ -15,10 +15,10 @@ import (
 // if tx is ethermint, it is extracted using from and nonce field
 // if it's cosmos tx, default cosmos way using signatures is used
 func GetSendersWithNonce(tx sdk.Tx) ([]SenderWithNonce, error) {
-	const extensionOptionsEthereumTxTypeUrl = "/ethermint.evm.v1.ExtensionOptionsEthereumTx"
+	const extensionOptionsEthereumTxTypeURL = "/ethermint.evm.v1.ExtensionOptionsEthereumTx"
 	if txWithExtensions, ok := tx.(authante.HasExtensionOptionsTx); ok {
 		opts := txWithExtensions.GetExtensionOptions()
-		if len(opts) > 0 && opts[0].GetTypeUrl() == extensionOptionsEthereumTxTypeUrl {
+		if len(opts) > 0 && opts[0].GetTypeUrl() == extensionOptionsEthereumTxTypeURL {
 			for _, msg := range tx.GetMsgs() {
 				if ethMsg, ok := msg.(*evmtypes.MsgEthereumTx); ok {
 					return []SenderWithNonce{