diff --git a/spring-batch-infrastructure/src/test/java/org/springframework/batch/item/file/SimpleResourceSuffixCreatorTests.java b/spring-batch-infrastructure/src/test/java/org/springframework/batch/item/file/SimpleResourceSuffixCreatorTests.java
index c28cac615..8818d6f4c 100644
--- a/spring-batch-infrastructure/src/test/java/org/springframework/batch/item/file/SimpleResourceSuffixCreatorTests.java
+++ b/spring-batch-infrastructure/src/test/java/org/springframework/batch/item/file/SimpleResourceSuffixCreatorTests.java
@@ -13,8 +13,8 @@ public class SimpleResourceSuffixCreatorTests {
 
 	@Test
 	public void testGetSuffix() {
-		assertEquals("0", tested.getSuffix(0));
-		assertEquals("1", tested.getSuffix(1));
-		assertEquals("3463457", tested.getSuffix(3463457));
+		assertEquals(".0", tested.getSuffix(0));
+		assertEquals(".1", tested.getSuffix(1));
+		assertEquals(".3463457", tested.getSuffix(3463457));
 	}
 }