From 3325491eabda6fbe6f0f431be332ccc96c3b7d21 Mon Sep 17 00:00:00 2001
From: FeiXie8 <946085309@qq.com>
Date: Fri, 17 Oct 2025 22:15:08 +0800
Subject: [PATCH] Fix: Use incorrect temporary variable key when replacing
 adapter name in state dict within load_lora_adapter function

---
 src/diffusers/loaders/peft.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/diffusers/loaders/peft.py b/src/diffusers/loaders/peft.py
index 2381ccfef34a..7d65b30659fb 100644
--- a/src/diffusers/loaders/peft.py
+++ b/src/diffusers/loaders/peft.py
@@ -293,7 +293,7 @@ def map_state_dict_for_hotswap(sd):
                     # For hotswapping, we need the adapter name to be present in the state dict keys
                     new_sd = {}
                     for k, v in sd.items():
-                        if k.endswith("lora_A.weight") or key.endswith("lora_B.weight"):
+                        if k.endswith("lora_A.weight") or k.endswith("lora_B.weight"):
                             k = k[: -len(".weight")] + f".{adapter_name}.weight"
                         elif k.endswith("lora_B.bias"):  # lora_bias=True option
                             k = k[: -len(".bias")] + f".{adapter_name}.bias"