diff --git a/pkg/internal/common/util.go b/pkg/internal/common/util.go
index b96f4bd4..a5df5442 100644
--- a/pkg/internal/common/util.go
+++ b/pkg/internal/common/util.go
@@ -7,6 +7,7 @@ import (
 	"io"
 	"math"
 	"strconv"
+	"strings"
 
 	libcommon "github.com/String-xyz/go-lib/v2/common"
 	"github.com/ethereum/go-ethereum/accounts"
@@ -70,3 +71,14 @@ func SliceContains(elems []string, v string) bool {
 	}
 	return false
 }
+
+func StringContainsAny(target string, substrs []string) bool {
+	// convert target to lowercase
+	noSpaceLowerCase := strings.ReplaceAll(strings.ToLower(target), " ", "")
+	for _, substr := range substrs {
+		if strings.Contains(noSpaceLowerCase, strings.ReplaceAll(strings.ToLower(substr), " ", "")) {
+			return true
+		}
+	}
+	return false
+}
diff --git a/pkg/service/transaction.go b/pkg/service/transaction.go
index ca510703..7df88d8d 100644
--- a/pkg/service/transaction.go
+++ b/pkg/service/transaction.go
@@ -638,7 +638,7 @@ func (t transaction) testTransaction(executor Executor, request model.Transactio
 	tokenAddresses := []string{}
 	tokenAmounts := []big.Int{}
 	for _, action := range request.Actions {
-		if strings.ToLower(strings.ReplaceAll(action.CxFunc, " ", "")) == "approve(address,uint256)" {
+		if common.StringContainsAny(action.CxFunc, []string{"approve", "transfer"}) {
 			tokenAddresses = append(tokenAddresses, action.CxAddr)
 			// It should be safe at this point to w3.I without panic
 			tokenAmounts = append(tokenAmounts, *w3.I(action.CxParams[1]))