diff --git a/tsm.py b/tsm.py
index 8e00784..e7eeefe 100644
--- a/tsm.py
+++ b/tsm.py
@@ -62,7 +62,7 @@ class Tsm(NNOperator):
         self.model = create_model(model_name=model_name, pretrained=True, weights_path=self.weights_path, device=self.device)
         self.model.eval()
         self.transform_cfgs = get_configs(
-                                    side_size=224,
+                                    side_size=256,
                                     crop_size=224,
                                     num_frames=8,
                                     mean=self.model.input_mean,