diff --git a/bnd/__init__.py b/bnd/__init__.py
index 24389cb..1b3fa5c 100644
--- a/bnd/__init__.py
+++ b/bnd/__init__.py
@@ -1,6 +1,6 @@
 # Package interface
-from .cli import dl, up, to_pyal, batch_ks, init
+from .cli import dl, up, to_pyal, batch_ks, init, to_nwb
 from .data_transfer import upload_session, download_session, download_animal
 
-__all__ = ["dl", "up", "to_pyal", "batch_ks", "upload_session", "download_session", "download_animal", "init"]
+__all__ = ["dl", "up", "to_pyal", "batch_ks", "upload_session", "download_session", "download_animal", "init", "to_nwb"]
 
diff --git a/bnd/config.py b/bnd/config.py
index 7cb6753..7914958 100644
--- a/bnd/config.py
+++ b/bnd/config.py
@@ -136,7 +136,7 @@ def get_animal_name(session_name) -> str:
     def get_subdirectories_from_pattern(directory: Path, subdir_pattern: str):
         subdirectory_paths = list(directory.glob(subdir_pattern))
 
-        return subdirectory_paths
+        return sorted(subdirectory_paths)
 
 
 def _load_config() -> Config:
diff --git a/bnd/pipeline/nwbtools/beneuro_converter.py b/bnd/pipeline/nwbtools/beneuro_converter.py
index c1f4669..71ac7a1 100644
--- a/bnd/pipeline/nwbtools/beneuro_converter.py
+++ b/bnd/pipeline/nwbtools/beneuro_converter.py
@@ -117,6 +117,9 @@ def temporally_align_data_interfaces(self):
                 spikeglx_output_folder_path = spikeglx_output_folder_path[
                     self.recording_to_process
                 ]
+                assert f"g{self.recording_to_process}" in str(spikeglx_output_folder_path), \
+                    f"double check file paths: {spikeglx_output_folder_path=}"
+
             elif len(spikeglx_output_folder_path) == 1:
                 spikeglx_output_folder_path = spikeglx_output_folder_path[0]