diff --git a/detect.py b/detect.py
index 14ff9a6ab421..9c72a713417d 100644
--- a/detect.py
+++ b/detect.py
@@ -179,7 +179,7 @@ def run(
             # Save results (image with detections)
             if save_img:
                 if dataset.mode == 'image':
-                    cv2.imwrite(save_path, im0)
+                    cv2.imencode('.jpg', im0)[1].tofile(save_path)
                 else:  # 'video' or 'stream'
                     if vid_path[i] != save_path:  # new video
                         vid_path[i] = save_path