diff --git a/docs/commands.md b/docs/commands.md
index 08c2f71..ab2b7b1 100644
--- a/docs/commands.md
+++ b/docs/commands.md
@@ -561,9 +561,9 @@ Usage: discloud user info [arguments]
 Set your locale
 
 Usage: discloud user locale [arguments]
--h, --help              Print this usage information.
--l, --locale=<en_US>    
--s, --system            Use current system language (en_US)
+-h, --help                          Print this usage information.
+-l, --locale=<en_US> (mandatory)    
+-s, --system                        Use current system language (en_US)
 ```
 
 ### zip
diff --git a/lib/commands/user/locale.dart b/lib/commands/user/locale.dart
index 3d16688..a5735f7 100644
--- a/lib/commands/user/locale.dart
+++ b/lib/commands/user/locale.dart
@@ -6,7 +6,7 @@ import "package:discloud/utils/messages.dart";
 final class UserLocaleCommand extends Command<void> {
   UserLocaleCommand() {
     argParser
-      ..addOption("locale", abbr: "l", valueHelp: localeName)
+      ..addOption("locale", abbr: "l", mandatory: true, valueHelp: localeName)
       ..addFlag(
         "system",
         abbr: "s",
diff --git a/lib/extensions/duration.dart b/lib/extensions/duration.dart
index a4c9f6f..0e2cd81 100644
--- a/lib/extensions/duration.dart
+++ b/lib/extensions/duration.dart
@@ -8,7 +8,7 @@ extension DurationExtension on Duration {
   static final DurationLocale _durationLocale =
       .fromLanguageCode(Platform.localeName) ??
       .fromLanguageCode(Intl.shortLocale(Platform.localeName)) ??
-      const EnglishDurationLocale();
+      englishLocale;
 
   String pretty({
     bool abbreviated = true,