diff --git a/bob/pad/face/config/preprocessor/video_face_crop_align_block_patch.py b/bob/pad/face/config/preprocessor/video_face_crop_align_block_patch.py
index c0fbfd78048d5d918311ba1c8baac82fb81eb416..aa96bdf5b04834e4e550f122166c10050c1b7a3b 100644
--- a/bob/pad/face/config/preprocessor/video_face_crop_align_block_patch.py
+++ b/bob/pad/face/config/preprocessor/video_face_crop_align_block_patch.py
@@ -121,6 +121,6 @@ Define an instance for extraction of one (**whole face**) multi-channel
 """
 video_face_crop_align_bw_ir_d_channels_3x128x128 = VideoFaceCropAlignBlockPatch(preprocessors = _preprocessors,
                                                                                 channel_names = _channel_names,
-                                                                                return_multi_channel_flag = False,
+                                                                                return_multi_channel_flag = True,
                                                                                 block_patch_preprocessor = _block_patch_128x128)