diff --git a/python/sglang/srt/server_args.py b/python/sglang/srt/server_args.py
index 3d185689d..ce4cc7df4 100644
--- a/python/sglang/srt/server_args.py
+++ b/python/sglang/srt/server_args.py
@@ -1352,6 +1352,9 @@ class ServerArgs:
 
         capture_bs = [bs for bs in capture_bs if bs <= self.cuda_graph_max_bs]
 
+        if self.cuda_graph_max_bs not in capture_bs:
+            capture_bs.append(self.cuda_graph_max_bs)
+
         return capture_bs
 
     def _generate_cpu_graph_batch_sizes(self):