diff --git a/python/sglang/srt/server_args.py b/python/sglang/srt/server_args.py
index 2be1c045a0bf..068a7e33665c 100644
--- a/python/sglang/srt/server_args.py
+++ b/python/sglang/srt/server_args.py
@@ -1299,6 +1299,9 @@ def _generate_cuda_graph_batch_sizes(self):
 
         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_piecewise_cuda_graph_tokens(self):