diff --git a/src/clusterfuzz/_internal/bot/tasks/utasks/track_fuzz_time.py b/src/clusterfuzz/_internal/bot/tasks/utasks/track_fuzz_time.py
index b4320ba98d..44327581b5 100644
--- a/src/clusterfuzz/_internal/bot/tasks/utasks/track_fuzz_time.py
+++ b/src/clusterfuzz/_internal/bot/tasks/utasks/track_fuzz_time.py
@@ -24,6 +24,8 @@ def __init__(self, fuzzer_name, job_type, time_module=time):
     self.fuzzer_name = fuzzer_name
     self.job_type = job_type
     self.time = time_module
+    self.start_time = None
+    self.timeout = None
 
   def __enter__(self):
     self.start_time = self.time.time()