From 479536e34de5ba6c75e263c3c08da5d83fc37933 Mon Sep 17 00:00:00 2001
From: azazeal04 <132445160+azazeal04@users.noreply.github.com>
Date: Sat, 4 Apr 2026 19:45:05 +0200
Subject: [PATCH] Prevent overwriting existing keys in state_dict

Ensure new key is added only if it doesn't exist.
---
 comfy/lora_convert.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/comfy/lora_convert.py b/comfy/lora_convert.py
index 4b00d6ebc..5b4a869be 100644
--- a/comfy/lora_convert.py
+++ b/comfy/lora_convert.py
@@ -37,7 +37,8 @@ def twinflow_z_image_lora_to_diffusers(state_dict):
     for key in list(state_dict.keys()):
         if "t_embedder_2" not in key and key.startswith("t_embedder."):
             new_key = key.replace("t_embedder.", "t_embedder_2.", 1)
-            state_dict[new_key] = state_dict.pop(key)
+            if new_key not in state_dict:
+                state_dict[new_key] = state_dict.pop(key)
     return state_dict
     
 def convert_lora(sd):