diff --git a/detect.py b/detect.py
index d14ca47f..889ca689 100644
--- a/detect.py
+++ b/detect.py
@@ -45,7 +45,7 @@ def detect(save_img=False):
     if ONNX_EXPORT:
         model.fuse()
         img = torch.zeros((1, 3) + img_size)  # (1, 3, 320, 192)
-        torch.onnx.export(model, img, 'weights/export.onnx', verbose=False, opset_version=11)
+        torch.onnx.export(model, img, 'weights/export.onnx', verbose=False, opset_version=10)
 
         # Validate exported model
         import onnx
@@ -159,7 +159,7 @@ if __name__ == '__main__':
     parser = argparse.ArgumentParser()
     parser.add_argument('--cfg', type=str, default='cfg/yolov3-spp.cfg', help='*.cfg path')
     parser.add_argument('--names', type=str, default='data/coco.names', help='*.names path')
-    parser.add_argument('--weights', type=str, default='weights/yolov3-spp.weights', help='path to weights file')
+    parser.add_argument('--weights', type=str, default='weights/ultralytics68.pt', help='path to weights file')
     parser.add_argument('--source', type=str, default='data/samples', help='source')  # input file/folder, 0 for webcam
     parser.add_argument('--output', type=str, default='output', help='output folder')  # output folder
     parser.add_argument('--img-size', type=int, default=416, help='inference size (pixels)')