diff --git a/python/sglang/srt/models/gemma3_causal.py b/python/sglang/srt/models/gemma3_causal.py
index 2af6216da..a2ae549e6 100644
--- a/python/sglang/srt/models/gemma3_causal.py
+++ b/python/sglang/srt/models/gemma3_causal.py
@@ -857,6 +857,16 @@ class Gemma3ForCausalLM(PreTrainedModel):
         params_dict = dict(self.named_parameters())
         loaded_params: Set[str] = set()
         for name, loaded_weight in weights:
+            remapped_name = maybe_remap_kv_scale_name(name, params_dict)
+            if remapped_name is None:
+                continue
+            if remapped_name != name:
+                param = params_dict[remapped_name]
+                weight_loader = getattr(param, "weight_loader", default_weight_loader)
+                weight_loader(param, loaded_weight)
+                loaded_params.add(remapped_name)
+                continue
+
             for param_name, shard_name, shard_id in stacked_params_mapping:
                 # if param_name in name:
                 # print(f"{param_name} is already in {name}")