diff --git a/vllm/model_executor/models/deepseek_ocr.py b/vllm/model_executor/models/deepseek_ocr.py
index c89caab93a1ee..8179f916ff417 100644
--- a/vllm/model_executor/models/deepseek_ocr.py
+++ b/vllm/model_executor/models/deepseek_ocr.py
@@ -161,7 +161,7 @@ class NGramPerReqLogitsProcessor(AdapterLogitsProcessor):
             )
 
     def is_argmax_invariant(self) -> bool:
-        return True
+        return False
 
     def new_req_logits_processor(
         self,