diff --git a/l2geth/eth/api_tracer.go b/l2geth/eth/api_tracer.go
index d3c3030c7705..0915dda3f272 100755
--- a/l2geth/eth/api_tracer.go
+++ b/l2geth/eth/api_tracer.go
@@ -72,6 +72,7 @@ type StdTraceConfig struct {
 
 // txTraceResult is the result of a single transaction trace.
 type txTraceResult struct {
+	TxHash common.Hash `json:"txHash"`           // transaction hash
 	Result interface{} `json:"result,omitempty"` // Trace results produced by the tracer
 	Error  string      `json:"error,omitempty"`  // Trace failure produced by the tracer
 }
@@ -209,13 +210,13 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl
 
 					res, err := api.traceTx(ctx, msg, vmctx, task.statedb, config)
 					if err != nil {
-						task.results[i] = &txTraceResult{Error: err.Error()}
+						task.results[i] = &txTraceResult{Error: err.Error(), TxHash: tx.Hash()}
 						log.Warn("Tracing failed", "hash", tx.Hash(), "block", task.block.NumberU64(), "err", err)
 						break
 					}
 					// Only delete empty objects if EIP158/161 (a.k.a Spurious Dragon) is in effect
 					task.statedb.Finalise(api.eth.blockchain.Config().IsEIP158(task.block.Number()))
-					task.results[i] = &txTraceResult{Result: res}
+					task.results[i] = &txTraceResult{Result: res, TxHash: tx.Hash()}
 				}
 				// Stream the result back to the user or abort on teardown
 				select {
@@ -477,15 +478,16 @@ func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block,
 
 			// Fetch and execute the next transaction trace tasks
 			for task := range jobs {
-				msg, _ := txs[task.index].AsMessage(signer)
+				tx := txs[task.index]
+				msg, _ := tx.AsMessage(signer)
 				vmctx := core.NewEVMContext(msg, block.Header(), api.eth.blockchain, nil)
 
 				res, err := api.traceTx(ctx, msg, vmctx, task.statedb, config)
 				if err != nil {
-					results[task.index] = &txTraceResult{Error: err.Error()}
+					results[task.index] = &txTraceResult{Error: err.Error(), TxHash: tx.Hash()}
 					continue
 				}
-				results[task.index] = &txTraceResult{Result: res}
+				results[task.index] = &txTraceResult{Result: res, TxHash: tx.Hash()}
 			}
 		}()
 	}