diff --git a/tests/Fixture/FixtureCommand.php b/tests/Fixture/FixtureCommand.php
index 31711f0..8f8cc71 100644
--- a/tests/Fixture/FixtureCommand.php
+++ b/tests/Fixture/FixtureCommand.php
@@ -17,7 +17,10 @@
  */
 final class FixtureCommand extends Command
 {
-    protected static $defaultName = 'fixture:command';
+    public static function getDefaultName(): string
+    {
+        return 'fixture:command';
+    }
 
     protected function configure(): void
     {