diff --git a/python/sglang/srt/models/deepseek_v4.py b/python/sglang/srt/models/deepseek_v4.py
index d20efaeb0..635b62a3c 100644
--- a/python/sglang/srt/models/deepseek_v4.py
+++ b/python/sglang/srt/models/deepseek_v4.py
@@ -4903,7 +4903,7 @@ class DeepseekV4ForCausalLM(nn.Module):
             and not getattr(config, "language_model_only", False)
         ):
             if (
-                get_pp_group().world_size != 1
+                get_parallel().pp_group.world_size != 1
                 or not _v41_vision_a2a_supported()
             ):
                 raise ValueError(