diff --git a/node/impl/full/eth.go b/node/impl/full/eth.go
index 5d5633365eb..6e99243e25b 100644
--- a/node/impl/full/eth.go
+++ b/node/impl/full/eth.go
@@ -879,12 +879,12 @@ func (a *EthModule) EthTraceBlock(ctx context.Context, blkNum string) ([]*ethtyp
 
 		env, err := baseEnvironment(st, ir.Msg.From)
 		if err != nil {
-			return nil, xerrors.Errorf("when processing message %s: %w", err)
+			return nil, xerrors.Errorf("when processing message %s: %w", ir.MsgCid, err)
 		}
 
 		err = buildTraces(env, nil, &ir.ExecutionTrace)
 		if err != nil {
-			return nil, xerrors.Errorf("failed building traces: %w", err)
+			return nil, xerrors.Errorf("failed building traces for msg %s: %w", ir.MsgCid, err)
 		}
 
 		for _, trace := range env.traces {
@@ -938,12 +938,12 @@ func (a *EthModule) EthTraceReplayBlockTransactions(ctx context.Context, blkNum
 
 		env, err := baseEnvironment(st, ir.Msg.From)
 		if err != nil {
-			return nil, xerrors.Errorf("when processing message %s: %w", err)
+			return nil, xerrors.Errorf("when processing message %s: %w", ir.MsgCid, err)
 		}
 
 		err = buildTraces(env, nil, &ir.ExecutionTrace)
 		if err != nil {
-			return nil, xerrors.Errorf("failed building traces: %w", err)
+			return nil, xerrors.Errorf("failed building traces for msg %s: %w", err)
 		}
 
 		var output []byte