diff --git a/bob/bio/face/helpers.py b/bob/bio/face/helpers.py
index 51bdf9b8e35b1d7004f7acbbae0841c10b7b4772..f29d38512c07b816ffc8834a89a2a8194f783f2f 100644
--- a/bob/bio/face/helpers.py
+++ b/bob/bio/face/helpers.py
@@ -24,7 +24,7 @@ def face_crop_solver(
                 fixed_positions_list=fixed_positions,
                 color_channel=color_channel,
                 dtype=dtype,
-                annotation=annotator,
+                annotator=annotator,
             )
         else:
             return FaceCrop(