diff --git a/README.md b/README.md
index d47a23a..0bb24a4 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,7 @@ python main.py --model dev --prompt "Luxury food photograph" --steps 25 --seed 2
 
 - **`--apply-lora`** (optional, `[str]`, default: `[]`): [Lora Safetensors file]
 
-- **`--lora-scales`** (optional, `[float]`, default: `[1.0]`): [Scaling factor for each LoRA files]
+- **`--lora-scale`** (optional, `[float]`, default: `[1.0]`): [Scaling factor for each LoRA files]
 
 ### Note:
 Ensure that the safetensors file provided is compatible with the model's architecture and that the LoRA keys correctly map to the model's layers. The missing lora-scales shall be treated as 1.0 by default.
diff --git a/src/flux_1/weights/weight_handler.py b/src/flux_1/weights/weight_handler.py
index bc6669e..fbc2a88 100644
--- a/src/flux_1/weights/weight_handler.py
+++ b/src/flux_1/weights/weight_handler.py
@@ -15,7 +15,7 @@ class WeightHandler:
             repo_id: str | None = None,
             local_path: str | None = None,
             lora_path: str | None = None,
-            lora_scale: float | None = None,
+            lora_scale: float = 1.0,
     ):
         root_path = Path(local_path) if local_path else WeightHandler._download_or_get_cached_weights(repo_id)