diff --git a/detect.py b/detect.py
index 5a7fb59b..2593406c 100644
--- a/detect.py
+++ b/detect.py
@@ -43,7 +43,7 @@ def detect(save_txt=False, save_img=False):
     # Export mode
     if ONNX_EXPORT:
         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