diff --git a/src/Generator/ActiveRecord/Command.php b/src/Generator/ActiveRecord/Command.php
index ae26fd44..c71f2f48 100644
--- a/src/Generator/ActiveRecord/Command.php
+++ b/src/Generator/ActiveRecord/Command.php
@@ -24,7 +24,7 @@ public function __construct(
         private readonly string $namespace = 'App\\Model',
         #[Required]
         #[Regex(
-            pattern: '/^(?:[a-z][a-z0-9]*)(?:\\\\[a-z][a-z0-9]*)*$/i',
+            pattern: '/^[a-z_][a-z0-9_]*$/i',
             message: 'Invalid table name'
         )]
         #[TableExistsRule]