diff --git a/challenges/web/ez_rce/build/html/index.php b/challenges/web/ez_rce/build/html/index.php
index 2b6625d..80879fd 100644
--- a/challenges/web/ez_rce/build/html/index.php
+++ b/challenges/web/ez_rce/build/html/index.php
@@ -2,8 +2,9 @@
 
 highlight_file(__FILE__);
 
-if (preg_match("/flag|\\s/im", $_GET['rce'])) {
-    die("hacker!");
+if (isset($_GET["rce"])) {
+    if (preg_match("/flag|\\s/im", $_GET['rce'])) {
+        die("hacker!");
+    }
+    eval($_GET['rce']);
 }
-
-eval($_GET['rce']);