First commit to test the issue just fixed.
diff --git a/src/test/java/com/beust/jcommander/args/ArgsI18N2New.java b/src/test/java/com/beust/jcommander/args/ArgsI18N2New.java
index 1f55306..c760973 100644
--- a/src/test/java/com/beust/jcommander/args/ArgsI18N2New.java
+++ b/src/test/java/com/beust/jcommander/args/ArgsI18N2New.java
@@ -21,9 +21,14 @@
 import com.beust.jcommander.Parameter;
 import com.beust.jcommander.Parameters;
 
+import java.util.List;
+
 @Parameters(resourceBundle = "MessageBundle")
 public class ArgsI18N2New {
 
   @Parameter(names = "-host", description = "Host", descriptionKey = "host")
   String hostName;
+
+  @Parameter(descriptionKey = "files")
+  List<String> files;
 }
diff --git a/src/test/resources/MessageBundle_fr_FR.properties b/src/test/resources/MessageBundle_fr_FR.properties
index f3b0144..4ae83a9 100644
--- a/src/test/resources/MessageBundle_fr_FR.properties
+++ b/src/test/resources/MessageBundle_fr_FR.properties
@@ -16,4 +16,5 @@
 # limitations under the License.
 #
 
-host = Hôte
\ No newline at end of file
+host = Hôte
+files = Les fichiers