diff --git a/vulnerabilities/other/twig-php-ssti.yaml b/vulnerabilities/other/twig-php-ssti.yaml
index 73f0313c0a..8b113641a5 100644
--- a/vulnerabilities/other/twig-php-ssti.yaml
+++ b/vulnerabilities/other/twig-php-ssti.yaml
@@ -9,9 +9,15 @@ info:
 requests:
   - method: GET
     path:
-      - "{{BaseURL}}/search?search_key={{1337*1338}}"
+      - "{{BaseURL}}/search?search_key=%7B%7B1337*1338%7D%7D"
+
+    matchers-condition: and
     matchers:
       - type: word
         words:
           - "1788906"
         part: body
+      - type: status
+        status:
+          - 404
+        negative: true