diff --git a/lib/src/dialogs.dart b/lib/src/dialogs.dart
index 93292fb..2b5a29e 100644
--- a/lib/src/dialogs.dart
+++ b/lib/src/dialogs.dart
@@ -292,7 +292,7 @@ class _MonthYearPickerDialogState extends State<MonthYearPickerDialog> {
               duration: _dialogSizeAnimationDuration,
               curve: Curves.easeOut,
               left: 0.0,
-              right: (pickerMaxWidth - (width ?? pickerMaxWidth)),
+              right: 0.0,
               top: _isShowingYear ? constraints.maxHeight : 0.0,
               bottom: _isShowingYear ? -constraints.maxHeight : 0.0,
               child: SizedBox(
diff --git a/lib/src/l10n/month_year_picker_localizations.dart b/lib/src/l10n/month_year_picker_localizations.dart
index cb38f3e..5e7493e 100644
--- a/lib/src/l10n/month_year_picker_localizations.dart
+++ b/lib/src/l10n/month_year_picker_localizations.dart
@@ -10,6 +10,7 @@ import 'month_year_picker_localizations_de.dart';
 import 'month_year_picker_localizations_en.dart';
 import 'month_year_picker_localizations_id.dart';
 import 'month_year_picker_localizations_ms.dart';
+import 'month_year_picker_localizations_vi.dart';
 
 /// Callers can lookup localized strings with an instance of MonthYearPickerLocalizations returned
 /// by `MonthYearPickerLocalizations.of(context)`.
@@ -101,6 +102,7 @@ abstract class MonthYearPickerLocalizations {
     Locale('ms'),
     Locale('de'),
     Locale('id'),
+    Locale('vi'),
   ];
 
   /// No description provided for @helpText.
@@ -134,7 +136,7 @@ class _MonthYearPickerLocalizationsDelegate
 
   @override
   bool isSupported(Locale locale) =>
-      <String>['ar', 'en', 'ms', 'de', 'id'].contains(locale.languageCode);
+      <String>['ar', 'en', 'ms', 'de', 'id', 'vi'].contains(locale.languageCode);
 
   @override
   bool shouldReload(_MonthYearPickerLocalizationsDelegate old) => false;
@@ -153,6 +155,8 @@ MonthYearPickerLocalizations lookupMonthYearPickerLocalizations(Locale locale) {
       return MonthYearPickerLocalizationsDe();
     case 'id':
       return MonthYearPickerLocalizationsId();
+    case 'vi':
+      return MonthYearPickerLocalizationsVi();
   }
 
   throw FlutterError(
diff --git a/lib/src/l10n/month_year_picker_localizations_vi.dart b/lib/src/l10n/month_year_picker_localizations_vi.dart
new file mode 100644
index 0000000..9698ee9
--- /dev/null
+++ b/lib/src/l10n/month_year_picker_localizations_vi.dart
@@ -0,0 +1,15 @@
+import 'month_year_picker_localizations.dart';
+
+/// The translations for Vietnamese (`vi`).
+class MonthYearPickerLocalizationsVi extends MonthYearPickerLocalizations {
+  MonthYearPickerLocalizationsVi([String locale = 'vi']) : super(locale);
+
+  @override
+  String get helpText => 'Chọn tháng/năm';
+
+  @override
+  String get okButtonLabel => 'OK';
+
+  @override
+  String get cancelButtonLabel => 'Hủy';
+}
diff --git a/lib/src/l10n/month_year_picker_vi.arb b/lib/src/l10n/month_year_picker_vi.arb
new file mode 100644
index 0000000..7e2b88f
--- /dev/null
+++ b/lib/src/l10n/month_year_picker_vi.arb
@@ -0,0 +1,5 @@
+{
+  "helpText": "Chọn tháng/năm",
+  "okButtonLabel": "OK",
+  "cancelButtonLabel": "Hủy"
+}
\ No newline at end of file