diff --git a/python/sglang/srt/managers/scheduler.py b/python/sglang/srt/managers/scheduler.py
index a34a8d4d1..38a241640 100644
--- a/python/sglang/srt/managers/scheduler.py
+++ b/python/sglang/srt/managers/scheduler.py
@@ -299,7 +299,9 @@ class Scheduler(
         self.enable_metrics_for_all_schedulers = (
             server_args.enable_metrics_for_all_schedulers
         )
-        self.enable_kv_cache_events = server_args.kv_events_config and tp_rank == 0
+        self.enable_kv_cache_events = bool(
+            server_args.kv_events_config and tp_rank == 0
+        )
         self.enable_trace = server_args.enable_trace
         self.stream_interval = server_args.stream_interval
         self.spec_algorithm = SpeculativeAlgorithm.from_string(