diff --git a/mutalyzer/website.py b/mutalyzer/website.py
index af9b3ac453e7b426f70d0dccc975dafb6ac452fd..2091a9ac85b212fc4d4b0a98a362631d9e5f5d0c 100644
--- a/mutalyzer/website.py
+++ b/mutalyzer/website.py
@@ -976,6 +976,7 @@ class BatchProgress:
         """
         attr = {"percentage": 0}
 
+        i = web.input(ajax=None)
         try:
             jobID = int(i.jobID)
             total = int(i.totalJobs)