diff --git a/config_runpod.yaml b/config_runpod.yaml
index 4f8f010..2a52bff 100644
--- a/config_runpod.yaml
+++ b/config_runpod.yaml
@@ -14,7 +14,7 @@ matting:
   use_disparity_mapping: true
   memory_offload: false  # A40 has enough VRAM
   fp16: true
-  sam2_model_cfg: "sam2.1_hiera_l"
+  sam2_model_cfg: "configs/sam2.1/sam2.1_hiera_l.yaml"
   sam2_checkpoint: "segment-anything-2/checkpoints/sam2.1_hiera_large.pt"
   
 output:
diff --git a/vr180_matting/sam2_wrapper.py b/vr180_matting/sam2_wrapper.py
index 0c49bdf..320da35 100644
--- a/vr180_matting/sam2_wrapper.py
+++ b/vr180_matting/sam2_wrapper.py
@@ -57,23 +57,10 @@ class SAM2VideoMatting:
                         if sam2_repo_path.exists():
                             checkpoint_path = str(sam2_repo_path)
             
-            # Handle config path - if it contains a dot, look for the actual file
-            config_path = model_cfg
-            if not model_cfg.endswith('.yaml'):
-                # Try to find the config file in SAM2 repo structure
-                sam2_config_paths = [
-                    Path("segment-anything-2/sam2/configs/sam2.1") / f"{model_cfg}.yaml",
-                    Path("segment-anything-2/sam2/configs/sam2") / f"{model_cfg}.yaml",
-                    Path("segment-anything-2/sam2") / f"{model_cfg}.yaml"
-                ]
-                
-                for config_file_path in sam2_config_paths:
-                    if config_file_path.exists():
-                        config_path = str(config_file_path)
-                        break
-            
+            # Use the config path as-is (should be relative to SAM2 package)
+            # Example: "configs/sam2.1/sam2.1_hiera_l.yaml"
             self.predictor = build_sam2_video_predictor(
-                config_path, 
+                model_cfg, 
                 checkpoint_path,
                 device=self.device
             )