diff --git a/python/sglang/srt/multimodal/processors/kimi_k25.py b/python/sglang/srt/multimodal/processors/kimi_k25.py
index b117e2ab4..9838ca510 100644
--- a/python/sglang/srt/multimodal/processors/kimi_k25.py
+++ b/python/sglang/srt/multimodal/processors/kimi_k25.py
@@ -312,7 +312,11 @@ class KimiGPUProcessorWrapper:
             # Convert to medias format for Kimi's HF processor
             kwargs["medias"] = [{"type": "image", "image": img} for img in images]
 
-        return self._hf_processor(text=[input_text], **kwargs)
+        out = self._hf_processor(text=[input_text], **kwargs)
+        grid_thws = out.pop("grid_thws", None)
+        if grid_thws is not None:
+            out["image_grid_thw"] = grid_thws
+        return out
 
     def _get_gpu_norm_tensors(self, device="cuda"):
         if self._gpu_norm_tensors is None: