diff --git a/index.php b/index.php
index 0298532..5d36e9c 100644
--- a/index.php
+++ b/index.php
@@ -225,7 +225,7 @@ foreach ($days as $day) {
             $courses[] = $row;
         }
         usort($courses, function($a, $b) {
-            return $a[5] - $b[5];
+            return $a["time"] - $b["time"];
         });
         foreach ($courses as $course) {
 ?>