diff --git a/tests/test.php b/tests/test.php
index 52b2914..7bef9d9 100644
--- a/tests/test.php
+++ b/tests/test.php
@@ -1,7 +1,7 @@
 <?php
 
 require_once 'color.php';
-require_once __DIR__ . '/../src/Router.php';
+require_once __DIR__ . '/../src/RouterInterface.php';
 require_once __DIR__ . '/../src/SegmentRouter.php';
 
 const ROUTES = __DIR__ . '/routes/';
@@ -22,7 +22,7 @@ $r = new SegmentRouter();
 
 // Blog lookups
 $blog = readAndAddRoutes(ROUTES . 'blog.txt', $r);
-writeRoutesToFile($r->routes, TREES . 'blog.txt');
+writeRoutesToFile($r->dump(), TREES . 'blog.txt');
 echoTitle("Starting blog lookups");
 runIterations(10000, $r, $blog);
 runIterations(100000, $r, $blog);
@@ -32,7 +32,7 @@ unset($blog);
 // Github lookups
 $r->clear();
 $github = readAndAddRoutes(ROUTES . 'github.txt', $r);
-writeRoutesToFile($r->routes, TREES . 'github.txt');
+writeRoutesToFile($r->dump(), TREES . 'github.txt');
 echoTitle("Starting github lookups");
 runIterations(10000, $r, $github);
 runIterations(100000, $r, $github);
@@ -42,7 +42,7 @@ unset($github);
 // Big lookups
 $r->clear();
 $big = readAndAddRoutes(ROUTES . 'big.txt', $r);
-writeRoutesToFile($r->routes, TREES . 'big.txt');
+writeRoutesToFile($r->dump(), TREES . 'big.txt');
 echoTitle("Starting big lookups");
 runIterations(10000, $r, $big);
 runIterations(100000, $r, $big);