diff --git a/src/Splashsky/Router.php b/src/Splashsky/Router.php
index 32e55b3..1c235d2 100644
--- a/src/Splashsky/Router.php
+++ b/src/Splashsky/Router.php
@@ -50,7 +50,7 @@ class Router
 
     private static function tokenize(string $uri)
     {
-        return preg_replace('/(?:{([A-Za-z]+)})+/', '([\w]+)', $uri);
+        return preg_replace('/(?:{([\w\-]+)})+/', '([\w\-]+)', $uri);
     }
 
     public static function run(string $basePath = '', bool $multimatch = false)