diff --git a/hloc/extract_features.py b/hloc/extract_features.py
index 39d78ded..e962787b 100644
--- a/hloc/extract_features.py
+++ b/hloc/extract_features.py
@@ -13,6 +13,8 @@
 from .utils.base_model import dynamic_load
 from .utils.tools import map_tensor
 
+# https://stackoverflow.com/questions/54013846/pytorch-dataloader-stucked-if-using-opencv-resize-method
+cv2.setNumThreads(0)
 
 '''
 A set of standard configurations that can be directly selected from the command