diff --git a/eth/tracers/logger/logger.go b/eth/tracers/logger/logger.go
index e714231339..3cb0599290 100644
--- a/eth/tracers/logger/logger.go
+++ b/eth/tracers/logger/logger.go
@@ -167,7 +167,7 @@ func (s *StructLog) toLegacyJSON() json.RawMessage {
 		Error:         s.ErrorString(),
 		RefundCounter: s.RefundCounter,
 	}
-	if s.Stack != nil {
+	if len(s.Stack) > 0 {
 		stack := make([]string, len(s.Stack))
 		for i, stackValue := range s.Stack {
 			stack[i] = stackValue.Hex()
@@ -177,14 +177,14 @@ func (s *StructLog) toLegacyJSON() json.RawMessage {
 	if len(s.ReturnData) > 0 {
 		msg.ReturnData = hexutil.Bytes(s.ReturnData).String()
 	}
-	if s.Memory != nil && len(s.Memory) > 0 {
+	if len(s.Memory) > 0 {
 		memory := make([]string, 0, (len(s.Memory)+31)/32)
 		for i := 0; i+32 <= len(s.Memory); i += 32 {
 			memory = append(memory, fmt.Sprintf("%x", s.Memory[i:i+32]))
 		}
 		msg.Memory = &memory
 	}
-	if s.Storage != nil {
+	if len(s.Storage) > 0 {
 		storage := make(map[string]string)
 		for i, storageValue := range s.Storage {
 			storage[fmt.Sprintf("%x", i)] = fmt.Sprintf("%x", storageValue)