diff --git a/grounded_sam_demo.py b/grounded_sam_demo.py
index 93064c82..631b3627 100644
--- a/grounded_sam_demo.py
+++ b/grounded_sam_demo.py
@@ -17,7 +17,7 @@
 # segment anything
 from segment_anything import (
     sam_model_registry,
-    build_sam_hq,
+    sam_hq_model_registry,
     SamPredictor
 )
 import cv2
@@ -99,7 +99,7 @@ def show_mask(mask, ax, random_color=False):
 def show_box(box, ax, label):
     x0, y0 = box[0], box[1]
     w, h = box[2] - box[0], box[3] - box[1]
-    ax.add_patch(plt.Rectangle((x0, y0), w, h, edgecolor='green', facecolor=(0,0,0,0), lw=2)) 
+    ax.add_patch(plt.Rectangle((x0, y0), w, h, edgecolor='green', facecolor=(0,0,0,0), lw=2))
     ax.text(x0, y0, label)
 
 
@@ -130,7 +130,7 @@ def save_mask_data(output_dir, mask_list, box_list, label_list):
         })
     with open(os.path.join(output_dir, 'mask.json'), 'w') as f:
         json.dump(json_data, f)
-    
+
 
 if __name__ == "__main__":
 
@@ -194,7 +194,7 @@ def save_mask_data(output_dir, mask_list, box_list, label_list):
 
     # initialize SAM
     if use_sam_hq:
-        predictor = SamPredictor(build_sam_hq(checkpoint=sam_hq_checkpoint).to(device))
+        predictor = SamPredictor(sam_hq_model_registry[sam_version](checkpoint=sam_hq_checkpoint).to(device))
     else:
         predictor = SamPredictor(sam_model_registry[sam_version](checkpoint=sam_checkpoint).to(device))
     image = cv2.imread(image_path)
@@ -217,7 +217,7 @@ def save_mask_data(output_dir, mask_list, box_list, label_list):
         boxes = transformed_boxes.to(device),
         multimask_output = False,
     )
-    
+
     # draw output image
     plt.figure(figsize=(10, 10))
     plt.imshow(image)
@@ -228,9 +228,8 @@ def save_mask_data(output_dir, mask_list, box_list, label_list):
 
     plt.axis('off')
     plt.savefig(
-        os.path.join(output_dir, "grounded_sam_output.jpg"), 
+        os.path.join(output_dir, "grounded_sam_output.jpg"),
         bbox_inches="tight", dpi=300, pad_inches=0.0
     )
 
     save_mask_data(output_dir, masks, boxes_filt, pred_phrases)
-