diff --git a/main.py b/main.py
index 2ad9741..93858fd 100644
--- a/main.py
+++ b/main.py
@@ -205,11 +205,13 @@ class CloudInitApp:
             'meta_data': metadata
             }}
 
-    def _user_data(self, uuid=None):
+    def _user_data(self, uuid=None, SYSUUID=None):
         """
         Serves a static file
         But can process a template if x-include-url
         """
+        if SYSUUID:  # SYSLINUX support
+            uuid = SYSUUID
         request = CloudInitRequest(cherrypy.request, uuid)
         self._redirect_if_needed(request)
         user_data = request.get_user_data()