diff --git a/python/sglang/srt/managers/scheduler.py b/python/sglang/srt/managers/scheduler.py
index 210a243a4..16f4196bd 100644
--- a/python/sglang/srt/managers/scheduler.py
+++ b/python/sglang/srt/managers/scheduler.py
@@ -416,7 +416,7 @@ class Scheduler:
                 )
 
         # Truncate prompts that are too long
-        if len(req.origin_input_ids) >= self.max_req_input_len:
+        if len(req.origin_input_ids) > self.max_req_input_len:
             logger.warning(
                 "Request length is longer than the KV cache pool size or "
                 "the max context length. Truncated!!!"