diff --git a/cacheflow/master/scheduler.py b/cacheflow/master/scheduler.py
index 3d2e300ace176..4b52256b346c6 100644
--- a/cacheflow/master/scheduler.py
+++ b/cacheflow/master/scheduler.py
@@ -8,7 +8,7 @@ from cacheflow.sequence import SequenceStatus
 
 class Scheduler:
 
-    def __int__(
+    def __init__(
         self,
         controllers: List,
         block_size: int,