From 3b96eafdb0591b359a2630965af2ba255f3691af Mon Sep 17 00:00:00 2001
From: Isotr0py <mozf@mail2.sysu.edu.cn>
Date: Tue, 23 Sep 2025 18:06:48 +0800
Subject: [PATCH] [Bugfix] Fix idefics3 `tie_word_embeddings` (#25454)

Signed-off-by: Isotr0py <mozf@mail2.sysu.edu.cn>
Signed-off-by: yewentao256 <zhyanwentao@126.com>
---
 vllm/model_executor/models/idefics3.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vllm/model_executor/models/idefics3.py b/vllm/model_executor/models/idefics3.py
index 18446d126b51a..79e130119ae83 100644
--- a/vllm/model_executor/models/idefics3.py
+++ b/vllm/model_executor/models/idefics3.py
@@ -608,7 +608,7 @@ class Idefics3ForConditionalGeneration(nn.Module, SupportsMultiModal,
             prefix=maybe_prefix(prefix, "lm_head"),
         )
         if self.config.text_config.tie_word_embeddings:
-            self.lm_head.weight = self.model.text_model.wte.weight
+            self.lm_head.weight = self.model.text_model.embed_tokens.weight
         self.logits_processor = LogitsProcessor(config.text_config.vocab_size)
 
     def _parse_and_validate_image_input(