diff --git a/model/mdm.py b/model/mdm.py
index 14fd5bda..6548dda6 100644
--- a/model/mdm.py
+++ b/model/mdm.py
@@ -11,7 +11,7 @@ class MDM(nn.Module):
     def __init__(self, modeltype, njoints, nfeats, num_actions, translation, pose_rep, glob, glob_rot,
                  latent_dim=256, ff_size=1024, num_layers=8, num_heads=4, dropout=0.1,
                  ablation=None, activation="gelu", legacy=False, data_rep='rot6d', dataset='amass', clip_dim=512,
-                 arch='trans_enc', emb_trans_dec=False, clip_version=None, **kargs):
+                 arch='trans_enc', emb_trans_dec=False, clip_version=None, smpl_model_path=None, joint_regressor_train_extra_path=None, **kargs):
         super().__init__()
 
         self.legacy = legacy
@@ -93,7 +93,11 @@ def __init__(self, modeltype, njoints, nfeats, num_actions, translation, pose_re
         self.output_process = OutputProcess(self.data_rep, self.input_feats, self.latent_dim, self.njoints,
                                             self.nfeats)
 
-        self.rot2xyz = Rotation2xyz(device='cpu', dataset=self.dataset)
+        self.rot2xyz = Rotation2xyz(
+            device='cpu', dataset=self.dataset,
+            smpl_model_path=smpl_model_path,
+            joint_regressor_train_extra_path=joint_regressor_train_extra_path
+        )
 
     def parameters_wo_clip(self):
         return [p for name, p in self.named_parameters() if not name.startswith('clip_model.')]
diff --git a/model/rotation2xyz.py b/model/rotation2xyz.py
index 9746c7d7..3f738834 100644
--- a/model/rotation2xyz.py
+++ b/model/rotation2xyz.py
@@ -9,10 +9,10 @@
 
 
 class Rotation2xyz:
-    def __init__(self, device, dataset='amass'):
+    def __init__(self, device, dataset='amass', smpl_model_path=None, joint_regressor_train_extra_path=None):
         self.device = device
         self.dataset = dataset
-        self.smpl_model = SMPL().eval().to(device)
+        self.smpl_model = SMPL(model_path=smpl_model_path, joint_regressor_train_extra_path=joint_regressor_train_extra_path).eval().to(device)
 
     def __call__(self, x, mask, pose_rep, translation, glob,
                  jointstype, vertstrans, betas=None, beta=0,
diff --git a/model/smpl.py b/model/smpl.py
index 587f5419..e1f2e134 100644
--- a/model/smpl.py
+++ b/model/smpl.py
@@ -64,14 +64,14 @@
 class SMPL(_SMPLLayer):
     """ Extension of the official SMPL implementation to support more joints """
 
-    def __init__(self, model_path=SMPL_MODEL_PATH, **kwargs):
-        kwargs["model_path"] = model_path
+    def __init__(self, model_path=None, joint_regressor_train_extra_path=None, **kwargs):
+        kwargs["model_path"] = model_path or SMPL_MODEL_PATH
 
         # remove the verbosity for the 10-shapes beta parameters
         with contextlib.redirect_stdout(None):
             super(SMPL, self).__init__(**kwargs)
             
-        J_regressor_extra = np.load(JOINT_REGRESSOR_TRAIN_EXTRA)
+        J_regressor_extra = np.load(joint_regressor_train_extra_path or JOINT_REGRESSOR_TRAIN_EXTRA)
         self.register_buffer('J_regressor_extra', torch.tensor(J_regressor_extra, dtype=torch.float32))
         vibe_indexes = np.array([JOINT_MAP[i] for i in JOINT_NAMES])
         a2m_indexes = vibe_indexes[action2motion_joints]