diff --git a/ClassMapGenerator.php b/ClassMapGenerator.php
index 4c2aeab..112bee8 100644
--- a/ClassMapGenerator.php
+++ b/ClassMapGenerator.php
@@ -95,7 +95,7 @@ private static function findClasses($path)
         $classes = array();
 
         $namespace = '';
-        for ($i = 0, $max = count($tokens); $i < $max; $i++) {
+        for ($i = 0, $max = count($tokens); $i < $max; ++$i) {
             $token = $tokens[$i];
 
             if (is_string($token)) {