diff --git a/src/cal_tools/agipdlib.py b/src/cal_tools/agipdlib.py
index 8f8896ab5e013d9e8cef8d2ec9b1fe4dc8857fbf..80bfac9eb705d1be81fbec20338a2abcbbfc03a2 100644
--- a/src/cal_tools/agipdlib.py
+++ b/src/cal_tools/agipdlib.py
@@ -400,7 +400,7 @@ class AgipdCorrections:
             for field in image_fields:
                 if field in compress_fields:
                     self._write_compressed_frames(
-                        image_grp[field], data_dict[field][:n_img], threads=10,
+                        image_grp[field], data_dict[field][:n_img],
                     )
                 else:
                     image_grp[field][:] = data_dict[field][:n_img]