diff --git a/vllm_ascend/worker/model_runner_v1.py b/vllm_ascend/worker/model_runner_v1.py
index 51b345a7..47c7c5a6 100644
--- a/vllm_ascend/worker/model_runner_v1.py
+++ b/vllm_ascend/worker/model_runner_v1.py
@@ -723,8 +723,8 @@ class NPUModelRunner(GPUModelRunner):
         if self.uses_mrope:
             # Only relevant for models using M-RoPE (e.g, Qwen2-VL)
             self._calc_mrope_positions(scheduler_output)
-            self.mrope_positions.gpu[:, :total_num_scheduled_tokens].copy_(
-                self.mrope_positions.cpu[:, :total_num_scheduled_tokens],
+            self.mrope_positions.gpu.copy_(
+                self.mrope_positions.cpu,
                 non_blocking=True,
             )
         elif self.uses_xdrope_dim > 0: