diff --git a/lib/src/cli/command/log_sub_command.dart b/lib/src/cli/command/log_sub_command.dart
index ab53175..6645bf6 100644
--- a/lib/src/cli/command/log_sub_command.dart
+++ b/lib/src/cli/command/log_sub_command.dart
@@ -21,7 +21,7 @@ class LogSubCommand extends CiderCommand {
 
   @override
   Future<int> exec(Project project) async {
-    await project.addUnreleased(type.name, argResults!.rest[0]);
+    await project.addUnreleased(type.name, argResults!.rest.first);
 
     return 0;
   }
diff --git a/test/functional_test.dart b/test/functional_test.dart
index e35fc82..7174222 100644
--- a/test/functional_test.dart
+++ b/test/functional_test.dart
@@ -237,7 +237,7 @@ I love my dog.
       test('incorrect usage', () async {
         final code = await run(['bump']);
         expect(code, 64);
-        expect(err.buffer.toString().trim().split('\n')[0],
+        expect(err.buffer.toString().trim().split('\n').first,
             'Usage: cider bump <subcommand> [arguments]');
       });
       test('help usage', () async {
@@ -253,7 +253,7 @@ I love my dog.
     test('incorrect usage', () async {
       final code = await run(['log']);
       expect(code, 64);
-      expect(err.buffer.toString().trim().split('\n')[0],
+      expect(err.buffer.toString().trim().split('\n').first,
           'Usage: cider log <subcommand> [arguments]');
     });
     test('help usage', () async {