diff --git a/mapper/transaction.go b/mapper/transaction.go
index 927cb4c3..9095ccc8 100644
--- a/mapper/transaction.go
+++ b/mapper/transaction.go
@@ -154,7 +154,7 @@ func crossChainTransaction(
 				continue
 			}
 
-			op := &types.Operation{
+			ops = append(ops, &types.Operation{
 				OperationIdentifier: &types.OperationIdentifier{
 					Index: int64(idx),
 				},
@@ -176,8 +176,7 @@ func crossChainTransaction(
 					"meta":          t.Metadata,
 					"asset_id":      out.AssetID.String(),
 				},
-			}
-			ops = append(ops, op)
+			})
 		}
 	case *evm.UnsignedExportTx:
 		for idx, in := range t.Ins {
@@ -185,7 +184,7 @@ func crossChainTransaction(
 				continue
 			}
 
-			op := &types.Operation{
+			ops = append(ops, &types.Operation{
 				OperationIdentifier: &types.OperationIdentifier{
 					Index: int64(idx),
 				},
@@ -206,8 +205,7 @@ func crossChainTransaction(
 					"meta":              t.Metadata,
 					"asset_id":          in.AssetID.String(),
 				},
-			}
-			ops = append(ops, op)
+			})
 		}
 	default:
 		return nil, fmt.Errorf("unsupported transaction: %T", t)