diff --git a/executor/engine/job/base.py b/executor/engine/job/base.py
index 7c60cc5..5a0decf 100644
--- a/executor/engine/job/base.py
+++ b/executor/engine/job/base.py
@@ -385,7 +385,7 @@ async def wait_until(
         timeout: T.Optional[float] = None
     ):
         """Wait until the check_func return True."""
-        total_time = 0
+        total_time = 0.0
         while not check_func(self):
             await asyncio.sleep(self.wait_time_delta)
             total_time += self.wait_time_delta