diff --git a/ebean-csv-reader/src/test/java/io/ebean/csv/reader/CsvReaderTest.java b/ebean-csv-reader/src/test/java/io/ebean/csv/reader/CsvReaderTest.java
index 8a871a62d..6504c219e 100644
--- a/ebean-csv-reader/src/test/java/io/ebean/csv/reader/CsvReaderTest.java
+++ b/ebean-csv-reader/src/test/java/io/ebean/csv/reader/CsvReaderTest.java
@@ -11,10 +11,11 @@ import java.io.Reader;
 import java.net.URL;
 import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
+import java.util.Locale;
 
 class CsvReaderTest {
 
-  final DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("dd-MMM-yyyy");
+  final DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("dd-MMM-yyyy", Locale.ENGLISH);
 
   @Test
   void test() throws Exception {