timhunt

diff --git a/lib/minify/matthiasmullie-minify/src/Minify.php b/lib/minify/matthiasmullie-minify/src/Minify.php
index e5fefe6f948..e0511a76a59 100644
--- a/lib/minify/matthiasmullie-minify/src/Minify.php
+++ b/lib/minify/matthiasmullie-minify/src/Minify.php
@@ -39,6 +39,7 @@ abstract class Minify
      */
     protected $patterns = array();
 
+    protected $times = [];
     /**