diff --git a/src/voxcpm/core.py b/src/voxcpm/core.py
index 81692c9c..84872989 100644
--- a/src/voxcpm/core.py
+++ b/src/voxcpm/core.py
@@ -45,14 +45,17 @@ def __init__(
             file=sys.stderr,
         )
 
-        # If lora_weights_path is provided but no lora_config, create a default one
+        # If lora_weights_path is provided but no lora_config, load the saved
+        # lora_config.json (so r/alpha match the checkpoint); else use a default.
         if lora_weights_path is not None and lora_config is None:
-            lora_config = LoRAConfig(
-                enable_lm=True,
-                enable_dit=True,
-                enable_proj=False,
-            )
-            print(f"Auto-created default LoRAConfig for loading weights from: {lora_weights_path}", file=sys.stderr)
+            cfg_path = os.path.join(lora_weights_path, "lora_config.json")
+            if os.path.isdir(lora_weights_path) and os.path.isfile(cfg_path):
+                with open(cfg_path, "r", encoding="utf-8") as f:
+                    lora_config = LoRAConfig(**json.load(f)["lora_config"])
+                print(f"Loaded LoRAConfig from: {cfg_path}", file=sys.stderr)
+            else:
+                lora_config = LoRAConfig(enable_lm=True, enable_dit=True, enable_proj=False)
+                print(f"Auto-created default LoRAConfig for loading weights from: {lora_weights_path}", file=sys.stderr)
 
         # Determine model type from config.json architecture field
         config_path = os.path.join(voxcpm_model_path, "config.json")