diff --git a/python/sglang/srt/managers/scheduler_components/dp_attn.py b/python/sglang/srt/managers/scheduler_components/dp_attn.py
index bdda2e058..b032bd71a 100644
--- a/python/sglang/srt/managers/scheduler_components/dp_attn.py
+++ b/python/sglang/srt/managers/scheduler_components/dp_attn.py
@@ -147,7 +147,11 @@ def prepare_mlp_sync_batch_raw(
     offload_tags: set[str],
 ):
     # Check if other DP workers have running batches
-    if local_batch is None or local_batch.forward_mode.is_prebuilt():
+    if (
+        local_batch is None
+        or local_batch.forward_mode.is_prebuilt()
+        or local_batch.forward_mode.is_idle()
+    ):
         num_tokens = 0
         num_tokens_for_logprob = 0
     elif local_batch.forward_mode.is_decode():