diff --git a/main/tests/server/src/com/google/refine/tests/expr/functions/strings/ToFromConversionTests.java b/main/tests/server/src/com/google/refine/tests/expr/functions/strings/ToFromConversionTests.java
index e46ac546c..1547f3221 100644
--- a/main/tests/server/src/com/google/refine/tests/expr/functions/strings/ToFromConversionTests.java
+++ b/main/tests/server/src/com/google/refine/tests/expr/functions/strings/ToFromConversionTests.java
@@ -119,7 +119,7 @@ public class ToFromConversionTests extends RefineTest {
       Assert.assertEquals(invoke("toString", Double.valueOf(100.0),"%.0f"),"100");
       Assert.assertEquals(invoke("toString", CalendarParser.parse("2013-06-01")),"Jun 1, 2013");
       Assert.assertEquals(invoke("toString", CalendarParser.parse("2013-06-01").getTime()),"Jun 1, 2013");
-      Assert.assertEquals(invoke("toString", CalendarParser.parse("2013-06-01"),"Y"),"2013");      
+      Assert.assertEquals(invoke("toString", CalendarParser.parse("2013-06-01"),"y"),"2013");      
       Assert.assertEquals(invoke("toString", CalendarParser.parse("2013-06-01"),"YYYY-MM-dd"),"2013-06-01");
     }