diff --git a/vllm_ascend/ops/mla.py b/vllm_ascend/ops/mla.py
index 64d5d36a..6f02cecd 100644
--- a/vllm_ascend/ops/mla.py
+++ b/vllm_ascend/ops/mla.py
@@ -126,16 +126,17 @@ class AscendMultiHeadLatentAttention(MultiHeadLatentAttentionWrapper):
             o_proj=mla_modules.o_proj,
         )
 
-        original_process_weights = self.mla_attn.process_weights_after_loading
+        if not vllm_version_is("v0.15.0"):
+            original_process_weights = self.mla_attn.process_weights_after_loading
 
-        def wrapped_process_weights(act_dtype: torch.dtype):
-            from vllm_ascend.attention.sfa_v1 import AscendSFAImpl
+            def wrapped_process_weights(act_dtype: torch.dtype):
+                from vllm_ascend.attention.sfa_v1 import AscendSFAImpl
 
-            if not isinstance(self.mla_attn.impl, AscendSFAImpl):
-                original_process_weights(act_dtype)
-            self.mla_attn.impl.process_weights_after_loading(act_dtype)
+                if not isinstance(self.mla_attn.impl, AscendSFAImpl):
+                    original_process_weights(act_dtype)
+                self.mla_attn.impl.process_weights_after_loading(act_dtype)
 
-        self.mla_attn.process_weights_after_loading = wrapped_process_weights
+            self.mla_attn.process_weights_after_loading = wrapped_process_weights
 
         compilation_config = get_current_vllm_config().compilation_config
         if prefix in compilation_config.static_forward_context: