diff --git a/easy-batch-extensions/easy-batch-opencsv/src/main/java/org/jeasy/batch/extensions/opencsv/OpenCsvRecordMarshaller.java b/easy-batch-extensions/easy-batch-opencsv/src/main/java/org/jeasy/batch/extensions/opencsv/OpenCsvRecordMarshaller.java
index bbdaa6c4e..6334e7b29 100644
--- a/easy-batch-extensions/easy-batch-opencsv/src/main/java/org/jeasy/batch/extensions/opencsv/OpenCsvRecordMarshaller.java
+++ b/easy-batch-extensions/easy-batch-opencsv/src/main/java/org/jeasy/batch/extensions/opencsv/OpenCsvRecordMarshaller.java
@@ -92,7 +92,7 @@ private List<String> extractFields(P payload) throws Exception {
         List<String> tokens = new ArrayList<>();
         Iterable<Object> objects = fieldExtractor.extractFields(payload);
         for (Object object : objects) {
-            tokens.add(object.toString());
+            tokens.add(String.valueOf(object));
         }
         return tokens;
     }