diff --git a/comfy/lora.py b/comfy/lora.py
index 427cf98aa4f6..d29816830363 100644
--- a/comfy/lora.py
+++ b/comfy/lora.py
@@ -304,6 +304,15 @@ def model_lora_keys_unet(model, key_map={}):
                     key_map["lycoris_{}".format(key_lora.replace(".", "_"))] = k #SimpleTuner lycoris format
                     key_map["transformer.{}".format(key_lora)] = k #SimpleTuner regular format
 
+    if isinstance(model, comfy.model_base.HiDreamO1):
+        for k in sdk:
+            if k.startswith("diffusion_model."):
+                if k.endswith(".weight"):
+                    key_lora = k[len("diffusion_model."):-len(".weight")]
+                    key_map["lycoris_{}".format(key_lora.replace(".", "_"))] = k
+                    key_map["transformer.{}".format(key_lora)] = k
+                    key_map["model.{}".format(key_lora)] = k
+
     if isinstance(model, comfy.model_base.ACEStep):
         for k in sdk:
             if k.startswith("diffusion_model.") and k.endswith(".weight"): #Official ACE step lora format